{"id":"https://openalex.org/W4407348702","doi":"https://doi.org/10.2188/jea.je20240179","title":"Post-COVID-19 Condition in Hospitalized Survivors After 1 Year of Infection During the Alpha- and Delta-variant Dominant Waves in Japan: COVID-19 Recovery Study II","display_name":"Post-COVID-19 Condition in Hospitalized Survivors After 1 Year of Infection During the Alpha- and Delta-variant Dominant Waves in Japan: COVID-19 Recovery Study II","publication_year":2025,"publication_date":"2025-02-07","ids":{"openalex":"https://openalex.org/W4407348702","doi":"https://doi.org/10.2188/jea.je20240179","pmid":"https://pubmed.ncbi.nlm.nih.gov/39924249","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/12162180"},"language":"en","primary_location":{"id":"doi:10.2188/jea.je20240179","doi":"https://doi.org/10.2188/jea.je20240179","is_oa":true,"landing_page_url":"https://doi.org/10.2188/jea.je20240179","pdf_url":"https://www.jstage.jst.go.jp/article/jea/35/7/35_JE20240179/_pdf","source":{"id":"https://openalex.org/S82044091","display_name":"Journal of Epidemiology","issn_l":"0917-5040","issn":["0917-5040","1349-9092"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-1","oarl","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310313564","host_organization_name":"Japan Epidemiological Association","host_organization_lineage":["https://openalex.org/P4310313564"],"host_organization_lineage_names":["Japan Epidemiological Association"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Epidemiology","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.jstage.jst.go.jp/article/jea/35/7/35_JE20240179/_pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5045820372","display_name":"Yoko Muto","orcid":"https://orcid.org/0009-0005-6358-0801","observed_orcids":["https://orcid.org/0009-0005-6358-0801"]},"institutions":[{"id":"https://openalex.org/I4210094012","display_name":"National Center for Global Health and Medicine","ror":"https://ror.org/00r9w3j27","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210094012"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yoko Muto","raw_affiliation_strings":["Institute for Global Health Policy Research (iGHP), Bureau of International Health Cooperation, National Center for Global Health and Medicine"],"raw_orcid":"https://orcid.org/0009-0005-6358-0801","affiliations":[{"raw_affiliation_string":"Institute for Global Health Policy Research (iGHP), Bureau of International Health Cooperation, National Center for Global Health and Medicine","institution_ids":["https://openalex.org/I4210094012"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077079522","display_name":"Mariko Hosozawa","orcid":"https://orcid.org/0000-0001-6886-5156","observed_orcids":["https://orcid.org/0000-0001-6886-5156"]},"institutions":[{"id":"https://openalex.org/I4210094012","display_name":"National Center for Global Health and Medicine","ror":"https://ror.org/00r9w3j27","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210094012"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Mariko Hosozawa","raw_affiliation_strings":["Institute for Global Health Policy Research (iGHP), Bureau of International Health Cooperation, National Center for Global Health and Medicine"],"raw_orcid":"https://orcid.org/0000-0001-6886-5156","affiliations":[{"raw_affiliation_string":"Institute for Global Health Policy Research (iGHP), Bureau of International Health Cooperation, National Center for Global Health and Medicine","institution_ids":["https://openalex.org/I4210094012"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112667523","display_name":"Miyuki Hori","orcid":"https://orcid.org/0000-0003-4796-1805","observed_orcids":["https://orcid.org/0000-0003-4796-1805"]},"institutions":[{"id":"https://openalex.org/I4210094012","display_name":"National Center for Global Health and Medicine","ror":"https://ror.org/00r9w3j27","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210094012"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Miyuki Hori","raw_affiliation_strings":["Institute for Global Health Policy Research (iGHP), Bureau of International Health Cooperation, National Center for Global Health and Medicine"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Global Health Policy Research (iGHP), Bureau of International Health Cooperation, National Center for Global Health and Medicine","institution_ids":["https://openalex.org/I4210094012"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029844321","display_name":"Arisa Iba","orcid":"https://orcid.org/0000-0003-1067-5231","observed_orcids":["https://orcid.org/0000-0003-1067-5231"]},"institutions":[{"id":"https://openalex.org/I4210094012","display_name":"National Center for Global Health and Medicine","ror":"https://ror.org/00r9w3j27","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210094012"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Arisa Iba","raw_affiliation_strings":["Institute for Global Health Policy Research (iGHP), Bureau of International Health Cooperation, National Center for Global Health and Medicine"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Global Health Policy Research (iGHP), Bureau of International Health Cooperation, National Center for Global Health and Medicine","institution_ids":["https://openalex.org/I4210094012"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Shuhei Maruyama","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I126884977","display_name":"Kansai Medical University","ror":"https://ror.org/001xjdh50","country_code":"JP","type":"education","lineage":["https://openalex.org/I126884977"]},{"id":"https://openalex.org/I4405284610","display_name":"Kansai Medical University Medical Center","ror":"https://ror.org/03w6vqn81","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4405284610"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shuhei Maruyama","raw_affiliation_strings":["Department of Emergency and Critical Care Medicine, Kansai Medical University Medical Center"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Emergency and Critical Care Medicine, Kansai Medical University Medical Center","institution_ids":["https://openalex.org/I126884977","https://openalex.org/I4405284610"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045806272","display_name":"Shinichiro Morioka","orcid":"https://orcid.org/0000-0003-2042-0195","observed_orcids":["https://orcid.org/0000-0003-2042-0195"]},"institutions":[{"id":"https://openalex.org/I4210094012","display_name":"National Center for Global Health and Medicine","ror":"https://ror.org/00r9w3j27","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210094012"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shinichiro Morioka","raw_affiliation_strings":["Disease Control and Prevention Center, National Center for Global Health and Medicine"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Disease Control and Prevention Center, National Center for Global Health and Medicine","institution_ids":["https://openalex.org/I4210094012"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031893415","display_name":"Katsuji Teruya","orcid":"https://orcid.org/0009-0006-6884-2134","observed_orcids":["https://orcid.org/0009-0006-6884-2134"]},"institutions":[{"id":"https://openalex.org/I4210094012","display_name":"National Center for Global Health and Medicine","ror":"https://ror.org/00r9w3j27","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210094012"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Katsuji Teruya","raw_affiliation_strings":["AIDS Clinical Center, National Center for Global Health and Medicine"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"AIDS Clinical Center, National Center for Global Health and Medicine","institution_ids":["https://openalex.org/I4210094012"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103589794","display_name":"Takeshi Nishida","orcid":"https://orcid.org/0009-0004-0377-2986","observed_orcids":["https://orcid.org/0009-0004-0377-2986"]},"institutions":[{"id":"https://openalex.org/I3019022944","display_name":"Osaka Prefectural Medical Center","ror":"https://ror.org/00vcb6036","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I3019022944","https://openalex.org/I4405282797"]},{"id":"https://openalex.org/I4210155576","display_name":"Osaka University Hospital","ror":"https://ror.org/05rnn8t74","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210155576","https://openalex.org/I98285908"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takeshi Nishida","raw_affiliation_strings":["Department of Acute Medicine and Intensive Care Medicine, Osaka University Hospital","Division of Trauma and Surgical Critical Care, Osaka General Medical Center"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Acute Medicine and Intensive Care Medicine, Osaka University Hospital","institution_ids":["https://openalex.org/I4210155576"]},{"raw_affiliation_string":"Division of Trauma and Surgical Critical Care, Osaka General Medical Center","institution_ids":["https://openalex.org/I3019022944"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040162534","display_name":"Toshiyuki Harada","orcid":"https://orcid.org/0000-0003-0825-5166","observed_orcids":["https://orcid.org/0000-0003-0825-5166"]},"institutions":[{"id":"https://openalex.org/I4210123166","display_name":"Hokkaido hospital","ror":"https://ror.org/02y005z64","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210123166","https://openalex.org/I4210132540"]},{"id":"https://openalex.org/I4210132540","display_name":"Japan Community Healthcare Organization","ror":"https://ror.org/03q11y497","country_code":"JP","type":"government","lineage":["https://openalex.org/I4210132540"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Toshiyuki Harada","raw_affiliation_strings":["Center for Respiratory Disease, Department of Respiratory Medicine, Japan Community Healthcare Organization Hokkaido Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Respiratory Disease, Department of Respiratory Medicine, Japan Community Healthcare Organization Hokkaido Hospital","institution_ids":["https://openalex.org/I4210123166","https://openalex.org/I4210132540"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030237364","display_name":"Hideki Yoshida","orcid":"https://orcid.org/0000-0001-8140-627X","observed_orcids":["https://orcid.org/0000-0001-8140-627X"]},"institutions":[{"id":"https://openalex.org/I4210098866","display_name":"Yokohama City Seibu Hospital","ror":"https://ror.org/013y4v758","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210098866"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hideki Yoshida","raw_affiliation_strings":["Department of Emergency and Critical Care Medicine, St. Marianna University Yokohama Seibu Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Emergency and Critical Care Medicine, St. Marianna University Yokohama Seibu Hospital","institution_ids":["https://openalex.org/I4210098866"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Satoshi Miike","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210098866","display_name":"Yokohama City Seibu Hospital","ror":"https://ror.org/013y4v758","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210098866"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Satoshi Miike","raw_affiliation_strings":["Department of Emergency and Critical Care Medicine, St. Marianna University Yokohama Seibu Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Emergency and Critical Care Medicine, St. Marianna University Yokohama Seibu Hospital","institution_ids":["https://openalex.org/I4210098866"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066935503","display_name":"Akira Kawauchi","orcid":"https://orcid.org/0000-0003-2934-3333","observed_orcids":["https://orcid.org/0000-0003-2934-3333"]},"institutions":[{"id":"https://openalex.org/I4210094087","display_name":"Maebashi Red Cross Hospital","ror":"https://ror.org/00m5fzs56","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210094087"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Akira Kawauchi","raw_affiliation_strings":["Department of Critical Care and Emergency Medicine, Japanese Red Cross Maebashi Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Critical Care and Emergency Medicine, Japanese Red Cross Maebashi Hospital","institution_ids":["https://openalex.org/I4210094087"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088044766","display_name":"Hideaki Kato","orcid":"https://orcid.org/0000-0002-7853-5721","observed_orcids":["https://orcid.org/0000-0002-7853-5721"]},"institutions":[{"id":"https://openalex.org/I4210099218","display_name":"Yokohama City University Hospital","ror":"https://ror.org/010hfy465","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210099218"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hideaki Kato","raw_affiliation_strings":["Infection Prevention and Control Department, Yokohama City University Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Infection Prevention and Control Department, Yokohama City University Hospital","institution_ids":["https://openalex.org/I4210099218"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041998689","display_name":"Junji Hatakeyama","orcid":"https://orcid.org/0000-0003-2290-6965","observed_orcids":["https://orcid.org/0000-0003-2290-6965"]},"institutions":[{"id":"https://openalex.org/I205143321","display_name":"Osaka Medical and Pharmaceutical University","ror":"https://ror.org/01y2kdt21","country_code":"JP","type":"education","lineage":["https://openalex.org/I205143321"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Junji Hatakeyama","raw_affiliation_strings":["Department of Emergency and Critical Care Medicine, Osaka Medical and Pharmaceutical University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Emergency and Critical Care Medicine, Osaka Medical and Pharmaceutical University","institution_ids":["https://openalex.org/I205143321"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003251707","display_name":"Shigeki Fujitani","orcid":"https://orcid.org/0000-0001-6327-682X","observed_orcids":["https://orcid.org/0000-0001-6327-682X"]},"institutions":[{"id":"https://openalex.org/I163917720","display_name":"St. Marianna University School of Medicine","ror":"https://ror.org/043axf581","country_code":"JP","type":"education","lineage":["https://openalex.org/I163917720"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shigeki Fujitani","raw_affiliation_strings":["Department of Emergency and Critical Care Medicine, St. Marianna University School of Medicine"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Emergency and Critical Care Medicine, St. Marianna University School of Medicine","institution_ids":["https://openalex.org/I163917720"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113803545","display_name":"Tomohiro Asahi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210128552","display_name":"Naha City Hospital","ror":"https://ror.org/03kmyta64","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210128552"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tomohiro Asahi","raw_affiliation_strings":["Department of Cardiology, Naha City Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Cardiology, Naha City Hospital","institution_ids":["https://openalex.org/I4210128552"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010989074","display_name":"Kensuke Nakamura","orcid":"https://orcid.org/0000-0002-1010-3228","observed_orcids":["https://orcid.org/0000-0002-1010-3228"]},"institutions":[{"id":"https://openalex.org/I4210099218","display_name":"Yokohama City University Hospital","ror":"https://ror.org/010hfy465","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210099218"]},{"id":"https://openalex.org/I4210149859","display_name":"Hitachi General Hospital","ror":"https://ror.org/03sc99320","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210149859"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kensuke Nakamura","raw_affiliation_strings":["Department of Critical Care Medicine, Yokohama City University Hospital","Department of Emergency and Critical Care Medicine, Hitachi General Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Critical Care Medicine, Yokohama City University Hospital","institution_ids":["https://openalex.org/I4210099218"]},{"raw_affiliation_string":"Department of Emergency and Critical Care Medicine, Hitachi General Hospital","institution_ids":["https://openalex.org/I4210149859"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5105886782","display_name":"Yuichi Sato","orcid":"https://orcid.org/0009-0008-5078-2510","observed_orcids":["https://orcid.org/0009-0008-5078-2510"]},"institutions":[{"id":"https://openalex.org/I4210151172","display_name":"Tokyo Metropolitan Tama Medical Center","ror":"https://ror.org/04c3ebg91","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210151172"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yuichi Sato","raw_affiliation_strings":["Department of Emergency and Critical Care, Tokyo Metropolitan Tama Medical Center"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Emergency and Critical Care, Tokyo Metropolitan Tama Medical Center","institution_ids":["https://openalex.org/I4210151172"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024114611","display_name":"Taku Oshima","orcid":"https://orcid.org/0000-0002-3868-8272","observed_orcids":["https://orcid.org/0000-0002-3868-8272"]},"institutions":[{"id":"https://openalex.org/I159385669","display_name":"Chiba University","ror":"https://ror.org/01hjzeq58","country_code":"JP","type":"education","lineage":["https://openalex.org/I159385669"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Taku Oshima","raw_affiliation_strings":["Department of Emergency and Critical Care Medicine, Chiba University Graduate School of Medicine"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Emergency and Critical Care Medicine, Chiba University Graduate School of Medicine","institution_ids":["https://openalex.org/I159385669"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063021351","display_name":"Futoshi Nagashima","orcid":"https://orcid.org/0000-0003-2787-7366","observed_orcids":["https://orcid.org/0000-0003-2787-7366"]},"institutions":[{"id":"https://openalex.org/I4210141182","display_name":"Toyooka Hospital","ror":"https://ror.org/04tkt0z61","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210141182"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Futoshi Nagashima","raw_affiliation_strings":["Tajima Emergency and Critical Care Medical Center, Toyooka Public Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tajima Emergency and Critical Care Medical Center, Toyooka Public Hospital","institution_ids":["https://openalex.org/I4210141182"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111534726","display_name":"Kohei Ota","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I113306721","display_name":"Hiroshima University","ror":"https://ror.org/03t78wx29","country_code":"JP","type":"education","lineage":["https://openalex.org/I113306721"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kohei Ota","raw_affiliation_strings":["Department of Emergency and Critical Care Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Emergency and Critical Care Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University","institution_ids":["https://openalex.org/I113306721"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088593640","display_name":"Tatsuya Fuchigami","orcid":"https://orcid.org/0009-0005-2500-0087","observed_orcids":["https://orcid.org/0009-0005-2500-0087"]},"institutions":[{"id":"https://openalex.org/I4210155580","display_name":"University of the Ryukyus University Hospital","ror":"https://ror.org/05rzmnp25","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210155580"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tatsuya Fuchigami","raw_affiliation_strings":["Department of Anesthesiology and Intensive Care Medicine, University of the Ryukyus Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Anesthesiology and Intensive Care Medicine, University of the Ryukyus Hospital","institution_ids":["https://openalex.org/I4210155580"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045838890","display_name":"Nobuyuki Nosaka","orcid":"https://orcid.org/0000-0002-7722-0701","observed_orcids":["https://orcid.org/0000-0002-7722-0701"]},"institutions":[{"id":"https://openalex.org/I125602781","display_name":"Tokyo Medical and Dental University","ror":"https://ror.org/051k3eh31","country_code":"JP","type":"education","lineage":["https://openalex.org/I125602781","https://openalex.org/I4400009020"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Nobuyuki Nosaka","raw_affiliation_strings":["Department of Intensive Care Medicine, Tokyo Medical and Dental University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Intensive Care Medicine, Tokyo Medical and Dental University","institution_ids":["https://openalex.org/I125602781"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086839084","display_name":"Hiroshi Kamijo","orcid":"https://orcid.org/0000-0001-7292-1157","observed_orcids":["https://orcid.org/0000-0001-7292-1157"]},"institutions":[{"id":"https://openalex.org/I137975476","display_name":"Shinshu University","ror":"https://ror.org/0244rem06","country_code":"JP","type":"education","lineage":["https://openalex.org/I137975476"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroshi Kamijo","raw_affiliation_strings":["Department of Emergency and Critical Care Medicine, Shinshu University School of Medicine"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Emergency and Critical Care Medicine, Shinshu University School of Medicine","institution_ids":["https://openalex.org/I137975476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102383566","display_name":"Takeshi Hattori","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210103200","display_name":"National Hospital Organization Hokkaido Medical Center","ror":"https://ror.org/00sbe8213","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210103200","https://openalex.org/I4210137409"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takeshi Hattori","raw_affiliation_strings":["Department of Respiratory Medicine, National Hospital Organization, Hokkaido Medical Center"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Respiratory Medicine, National Hospital Organization, Hokkaido Medical Center","institution_ids":["https://openalex.org/I4210103200"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076826337","display_name":"Hayato Taniguchi","orcid":"https://orcid.org/0000-0001-6995-3529","observed_orcids":["https://orcid.org/0000-0001-6995-3529"]},"institutions":[{"id":"https://openalex.org/I2802180866","display_name":"Yokohama City University Medical Center","ror":"https://ror.org/03k95ve17","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I2802180866"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hayato Taniguchi","raw_affiliation_strings":["Advanced Critical Care and Emergency Center, Yokohama City University Medical Center"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Advanced Critical Care and Emergency Center, Yokohama City University Medical Center","institution_ids":["https://openalex.org/I2802180866"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111956950","display_name":"Hiroyasu Iso","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210094012","display_name":"National Center for Global Health and Medicine","ror":"https://ror.org/00r9w3j27","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210094012"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroyasu Iso","raw_affiliation_strings":["Institute for Global Health Policy Research (iGHP), Bureau of International Health Cooperation, National Center for Global Health and Medicine"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Global Health Policy Research (iGHP), Bureau of International Health Cooperation, National Center for Global Health and Medicine","institution_ids":["https://openalex.org/I4210094012"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":23,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":180000,"currency":"JPY","value_usd":1356},"apc_paid":{"value":180000,"currency":"JPY","value_usd":1356},"fwci":2.5772,"has_fulltext":true,"cited_by_count":5,"citation_normalized_percentile":{"value":0.88275973,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":97},"biblio":{"volume":"35","issue":"7","first_page":"330","last_page":"340"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11368","display_name":"Long-Term Effects of COVID-19","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T11368","display_name":"Long-Term Effects of COVID-19","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10041","display_name":"COVID-19 Clinical Research Studies","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2725","display_name":"Infectious Diseases"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10168","display_name":"COVID-19 and Mental Health","score":0.0,"subfield":{"id":"https://openalex.org/subfields/3203","display_name":"Clinical Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/long-covid","display_name":"long COVID","score":0.996999979019165},{"id":"https://openalex.org/keywords/covid-19-survivors","display_name":"COVID-19 survivors","score":0.8960000276565552},{"id":"https://openalex.org/keywords/hospitalized-patients","display_name":"hospitalized patients","score":0.7820000052452087},{"id":"https://openalex.org/keywords/sars-cov-2-alpha-variant","display_name":"SARS-CoV-2 Alpha variant","score":0.9309999942779541},{"id":"https://openalex.org/keywords/delta-variant","display_name":"Delta variant","score":0.9940000176429749},{"id":"https://openalex.org/keywords/mental-health","display_name":"mental health","score":0.8389999866485596},{"id":"https://openalex.org/keywords/anxiety","display_name":"anxiety","score":0.9319999814033508},{"id":"https://openalex.org/keywords/depression","display_name":"depression","score":1.0},{"id":"https://openalex.org/keywords/dyspnea","display_name":"dyspnea","score":0.7129999995231628},{"id":"https://openalex.org/keywords/fatigue","display_name":"fatigue","score":0.9020000100135803},{"id":"https://openalex.org/keywords/brain-fog","display_name":"brain fog","score":0.9010000228881836},{"id":"https://openalex.org/keywords/sleep-disorder","display_name":"sleep disorder","score":0.7699999809265137},{"id":"https://openalex.org/keywords/risk-factors","display_name":"risk factors","score":0.8040000200271606},{"id":"https://openalex.org/keywords/smoking-status","display_name":"smoking status","score":0.4819999933242798},{"id":"https://openalex.org/keywords/disease-severity","display_name":"disease severity","score":0.5180000066757202},{"id":"https://openalex.org/keywords/japan","display_name":"Japan","score":0.7089999914169312}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.916771650314331},{"id":"https://openalex.org/C2776867660","wikidata":"https://www.wikidata.org/wiki/Q1814941","display_name":"Depression (economics)","level":2,"score":0.7081335186958313},{"id":"https://openalex.org/C558461103","wikidata":"https://www.wikidata.org/wiki/Q154430","display_name":"Anxiety","level":2,"score":0.6952174305915833},{"id":"https://openalex.org/C3008058167","wikidata":"https://www.wikidata.org/wiki/Q84263196","display_name":"Coronavirus disease 2019 (COVID-19)","level":4,"score":0.5968829393386841},{"id":"https://openalex.org/C72563966","wikidata":"https://www.wikidata.org/wiki/Q1303415","display_name":"Cohort","level":2,"score":0.5587443709373474},{"id":"https://openalex.org/C89623803","wikidata":"https://www.wikidata.org/wiki/Q12184","display_name":"Pandemic","level":5,"score":0.5315123796463013},{"id":"https://openalex.org/C201903717","wikidata":"https://www.wikidata.org/wiki/Q1778788","display_name":"Cohort study","level":2,"score":0.46594393253326416},{"id":"https://openalex.org/C195910791","wikidata":"https://www.wikidata.org/wiki/Q1324077","display_name":"Medical record","level":2,"score":0.42872896790504456},{"id":"https://openalex.org/C134362201","wikidata":"https://www.wikidata.org/wiki/Q317309","display_name":"Mental health","level":2,"score":0.4281895160675049},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.42134159803390503},{"id":"https://openalex.org/C118552586","wikidata":"https://www.wikidata.org/wiki/Q7867","display_name":"Psychiatry","level":1,"score":0.38790974020957947},{"id":"https://openalex.org/C2779134260","wikidata":"https://www.wikidata.org/wiki/Q12136","display_name":"Disease","level":2,"score":0.18388551473617554},{"id":"https://openalex.org/C139719470","wikidata":"https://www.wikidata.org/wiki/Q39680","display_name":"Macroeconomics","level":1,"score":0.0},{"id":"https://openalex.org/C524204448","wikidata":"https://www.wikidata.org/wiki/Q788926","display_name":"Infectious disease (medical specialty)","level":3,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[{"descriptor_ui":"D000086382","descriptor_name":"COVID-19","qualifier_ui":"Q000150","qualifier_name":"complications","is_major_topic":true},{"descriptor_ui":"D000086382","descriptor_name":"COVID-19","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":true},{"descriptor_ui":"D000086382","descriptor_name":"COVID-19","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":true},{"descriptor_ui":"D000086382","descriptor_name":"COVID-19","qualifier_ui":"Q000523","qualifier_name":"psychology","is_major_topic":true},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000368","descriptor_name":"Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001007","descriptor_name":"Anxiety","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":false},{"descriptor_ui":"D003863","descriptor_name":"Depression","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006760","descriptor_name":"Hospitalization","qualifier_ui":"Q000706","qualifier_name":"statistics & numerical data","is_major_topic":true},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007564","descriptor_name":"Japan","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015331","descriptor_name":"Cohort Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D017741","descriptor_name":"Survivors","qualifier_ui":"Q000523","qualifier_name":"psychology","is_major_topic":true},{"descriptor_ui":"D017741","descriptor_name":"Survivors","qualifier_ui":"Q000706","qualifier_name":"statistics & numerical data","is_major_topic":true}],"locations_count":6,"locations":[{"id":"doi:10.2188/jea.je20240179","doi":"https://doi.org/10.2188/jea.je20240179","is_oa":true,"landing_page_url":"https://doi.org/10.2188/jea.je20240179","pdf_url":"https://www.jstage.jst.go.jp/article/jea/35/7/35_JE20240179/_pdf","source":{"id":"https://openalex.org/S82044091","display_name":"Journal of Epidemiology","issn_l":"0917-5040","issn":["0917-5040","1349-9092"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-1","oarl","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310313564","host_organization_name":"Japan Epidemiological Association","host_organization_lineage":["https://openalex.org/P4310313564"],"host_organization_lineage_names":["Japan Epidemiological Association"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Epidemiology","raw_type":"journal-article"},{"id":"pmid:39924249","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/39924249","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of epidemiology","raw_type":"Journal Article"},{"id":"pmh:oai:pubmedcentral.nih.gov:12162180","doi":null,"is_oa":true,"landing_page_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC12162180/","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"J Epidemiol","raw_type":"Text"},{"id":"pmh:oai:irdb.nii.ac.jp:07523:0006992586","doi":null,"is_oa":true,"landing_page_url":"https://marianna-u.repo.nii.ac.jp/records/2001030","pdf_url":"https://marianna-u.repo.nii.ac.jp/record/2001030/files/35_JE20240179.pdf","source":{"id":"https://openalex.org/S7407056385","display_name":"Institutional Repositories DataBase (IRDB)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I184597095","host_organization_name":"National Institute of Informatics","host_organization_lineage":["https://openalex.org/I184597095"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Journal of epidemiology","raw_type":"journal article"},{"id":"pmh:oai:doaj.org/article:c07733477eb74e77bd36e275ba06fe73","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/c07733477eb74e77bd36e275ba06fe73","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Journal of Epidemiology, Vol 35, Iss 7, Pp 330-340 (2025)","raw_type":"article"},{"id":"pmh:oai:irdb.nii.ac.jp:07523:0007243847","doi":null,"is_oa":true,"landing_page_url":"https://marianna-u.repo.nii.ac.jp/records/2001612","pdf_url":null,"source":{"id":"https://openalex.org/S7407056385","display_name":"Institutional Repositories DataBase (IRDB)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I184597095","host_organization_name":"National Institute of Informatics","host_organization_lineage":["https://openalex.org/I184597095"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Journal of epidemiology","raw_type":"journal article"}],"best_oa_location":{"id":"doi:10.2188/jea.je20240179","doi":"https://doi.org/10.2188/jea.je20240179","is_oa":true,"landing_page_url":"https://doi.org/10.2188/jea.je20240179","pdf_url":"https://www.jstage.jst.go.jp/article/jea/35/7/35_JE20240179/_pdf","source":{"id":"https://openalex.org/S82044091","display_name":"Journal of Epidemiology","issn_l":"0917-5040","issn":["0917-5040","1349-9092"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-1","oarl","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310313564","host_organization_name":"Japan Epidemiological Association","host_organization_lineage":["https://openalex.org/P4310313564"],"host_organization_lineage_names":["Japan Epidemiological Association"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Epidemiology","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":1.0,"display_name":"Good health and well-being"}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[{"id":"https://openalex.org/G3549390581","display_name":"\u6a5f\u68b0\u5b66\u7fd2\u306b\u3088\u308b\u30c6\u30fc\u30e9\u30fc\u30e1\u30a4\u30c9\u578b\u9662\u5185\u6025\u5909\u4e88\u6e2c\u30e2\u30c7\u30eb\u306e\u958b\u767a","funder_award_id":"22K18209","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"},{"id":"https://openalex.org/G3955176449","display_name":null,"funder_award_id":"JPMH21HA2011","funder_id":"https://openalex.org/F4320321945","funder_display_name":"Ministry of Health, Labour and Welfare"},{"id":"https://openalex.org/G6070558191","display_name":null,"funder_award_id":"JPMH23 HA2011","funder_id":"https://openalex.org/F4320321945","funder_display_name":"Ministry of Health, Labour and Welfare"},{"id":"https://openalex.org/G6176206147","display_name":null,"funder_award_id":"JPMH24HA2015","funder_id":"https://openalex.org/F4320321945","funder_display_name":"Ministry of Health, Labour and Welfare"}],"funders":[{"id":"https://openalex.org/F4320313449","display_name":"National Center for Global Health and Medicine","ror":"https://ror.org/00r9w3j27"},{"id":"https://openalex.org/F4320321945","display_name":"Ministry of Health, Labour and Welfare","ror":"https://ror.org/03mwa7s65"},{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4407348702.pdf","grobid_xml":"https://content.openalex.org/works/W4407348702.grobid-xml"},"referenced_works_count":18,"referenced_works":["https://openalex.org/W2093274439","https://openalex.org/W2166281097","https://openalex.org/W3016170162","https://openalex.org/W3034858522","https://openalex.org/W4206967190","https://openalex.org/W4220999157","https://openalex.org/W4226334959","https://openalex.org/W4280509840","https://openalex.org/W4288422993","https://openalex.org/W4304014408","https://openalex.org/W4316014106","https://openalex.org/W4320518724","https://openalex.org/W4320856082","https://openalex.org/W4327753797","https://openalex.org/W4388084084","https://openalex.org/W4388488106","https://openalex.org/W4391883562","https://openalex.org/W4402749720"],"related_works":["https://openalex.org/W4229333222","https://openalex.org/W4408334733","https://openalex.org/W4400454289","https://openalex.org/W3198870774","https://openalex.org/W7162428698","https://openalex.org/W4313021729","https://openalex.org/W4225376858","https://openalex.org/W4416925509","https://openalex.org/W4409916489","https://openalex.org/W3202516446"],"abstract_inverted_index":{"BACKGROUND:":[0],"Evidence":[1],"of":[2,37,175,200,207,230],"post-COVID-19":[3],"condition":[4],"(PCC)":[5],"in":[6,22,117,218],"the":[7,92,190,198,212,227],"Alpha-":[8,73,213],"and":[9,33,51,55,64,69,74,120,138,159,186,204,214,237],"Delta-variant":[10,75,191,215],"dominant":[11,76,192,216],"waves":[12,160,217],"is":[13],"limited.":[14],"METHODS:":[15],"In":[16],"a":[17],"nationwide":[18],"multicenter":[19],"cohort":[20],"study":[21,196],"collaboration":[23],"with":[24,44,131,144],"20":[25,40],"hospitals,":[26],"we":[27],"collected":[28],"data":[29],"using":[30],"self-administered":[31],"questionnaires":[32],"electronic":[34],"medical":[35],"records":[36],"participants":[38],"aged":[39],"or":[41,171],"more":[42],"diagnosed":[43],"COVID-19,":[45],"hospitalized":[46,210],"between":[47],"April":[48],"1,":[49],"2021":[50],"September":[52],"30,":[53],"2021,":[54],"discharged":[56],"alive.":[57],"Descriptive":[58],"statistics":[59],"were":[60,161,167],"analyzed":[61,80],"for":[62,165],"PCC":[63,99,166],"mental":[65,205],"health":[66,206],"(HADS":[67],"anxiety":[68,135],"depression":[70,141],"scores),":[71],"comparing":[72],"waves.":[77],"RESULTS:":[78],"We":[79],"1,040":[81],"patients":[82,130],"(median":[83],"age,":[84,157],"57":[85],"[IQR":[86],"49-66]":[87],"years;":[88],"men,":[89],"66.2%).":[90],"Of":[91],"respondents,":[93],"45.4%":[94],"had":[95,134,140],"at":[96],"least":[97],"one":[98],"symptom":[100],"1":[101],"year":[102],"after":[103],"infection.":[104],"The":[105,195],"common":[106],"symptoms":[107],"included":[108],"dyspnea":[109],"(20.7%),":[110],"fatigue/malaise":[111],"(17.6%),":[112],"muscle":[113],"weakness":[114],"(15.4%),":[115],"decrease":[116],"concentration":[118],"(13.4%),":[119],"sleep":[121],"disorder":[122],"(13.3%),":[123],"followed":[124],"by":[125,156],"brain":[126],"fog":[127],"(8.4%).":[128],"Among":[129],"PCC,":[132,201,233],"14.0%":[133],"(HADS-Anxiety":[136],"\u226511),":[137,143],"18.6%":[139],"(HADS-Depression":[142],"four":[145],"times":[146],"higher":[147],"proportions":[148],"than":[149],"those":[150],"without":[151],"PCC;":[152],"only":[153],"small":[154],"variations":[155],"sex,":[158],"observed.":[162],"Associated":[163],"factors":[164],"age":[168],"40":[169],"years":[170],"over,":[172],"women,":[173],"severity":[174],"COVID-19":[176,184,208,231],"during":[177,189,211],"hospitalization,":[178],"ex-smokers":[179],"who":[180],"quit":[181],"smoking":[182],"before":[183],"infection":[185],"being":[187],"infected":[188],"wave.":[193],"CONCLUSION:":[194],"described":[197],"prevalence":[199],"associated":[202],"factors,":[203],"survivors":[209],"Japan.":[219],"Further":[220],"follow-up":[221],"will":[222],"be":[223],"conducted":[224],"to":[225],"examine":[226],"longer-term":[228],"impact":[229],"on":[232],"complications,":[234],"daily":[235],"life,":[236],"socioeconomic":[238],"status.":[239]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":3}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2025-02-11T00:00:00"}
