{"id":"https://openalex.org/W7225184167","doi":"https://doi.org/10.1186/s12879-026-14765-7","title":"Hepatitis E infection among patients with acute febrile jaundice in the Democratic Republic of the Congo: a nationwide cross-sectional study","display_name":"Hepatitis E infection among patients with acute febrile jaundice in the Democratic Republic of the Congo: a nationwide cross-sectional study","publication_year":2026,"publication_date":"2026-11-03","ids":{"openalex":"https://openalex.org/W7225184167","doi":"https://doi.org/10.1186/s12879-026-14765-7"},"language":"en","primary_location":{"id":"doi:10.1186/s12879-026-14765-7","doi":"https://doi.org/10.1186/s12879-026-14765-7","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s12879-026-14765-7","pdf_url":null,"source":{"id":"https://openalex.org/S171015910","display_name":"BMC Infectious Diseases","issn_l":"1471-2334","issn":["1471-2334"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-d","doyens","jufo-1","ki-jl-1","medline","norway-1","oarl","poland-100","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BMC Infectious Diseases","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1186/s12879-026-14765-7","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5012956430","display_name":"Christelle Mbelu-Kabongo","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I205349734","display_name":"Hokkaido University","ror":"https://ror.org/02e16g702","country_code":"JP","type":"education","lineage":["https://openalex.org/I205349734"]},{"id":"https://openalex.org/I34942010","display_name":"University of Kinshasa","ror":"https://ror.org/05rrz2q74","country_code":"CD","type":"education","lineage":["https://openalex.org/I34942010"]},{"id":"https://openalex.org/I4210135018","display_name":"National Institute of Biomedical Research","ror":"https://ror.org/03qyfje32","country_code":"CD","type":"government","lineage":["https://openalex.org/I4210135018"]},{"id":"https://openalex.org/I4405287359","display_name":"Hokkaido University International Institute for Zoonosis Control","ror":"https://ror.org/04z6qv748","country_code":"JP","type":"facility","lineage":["https://openalex.org/I205349734","https://openalex.org/I4405287359"]}],"countries":["CD","JP"],"is_corresponding":false,"raw_author_name":"Christelle Mbelu-Kabongo","raw_affiliation_strings":["Division of Global Epidemiology, International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan","D\u00e9partement de Biologie M\u00e9dicale, Facult\u00e9 de M\u00e9decine, Universit\u00e9 de Kinshasa, Kinshasa, Democratic Republic of the Congo","D\u00e9partement de Virologie, Institut National de Recherche Biom\u00e9dicale, Kinshasa, Democratic Republic of the Congo"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Global Epidemiology, International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan","institution_ids":["https://openalex.org/I205349734","https://openalex.org/I4405287359"]},{"raw_affiliation_string":"D\u00e9partement de Biologie M\u00e9dicale, Facult\u00e9 de M\u00e9decine, Universit\u00e9 de Kinshasa, Kinshasa, Democratic Republic of the Congo","institution_ids":["https://openalex.org/I34942010"]},{"raw_affiliation_string":"D\u00e9partement de Virologie, Institut National de Recherche Biom\u00e9dicale, Kinshasa, Democratic Republic of the Congo","institution_ids":["https://openalex.org/I4210135018"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025865351","display_name":"Yannick Munyeku-Bazitama","orcid":"https://orcid.org/0000-0001-8303-318X","observed_orcids":["https://orcid.org/0000-0001-8303-318X"]},"institutions":[{"id":"https://openalex.org/I205349734","display_name":"Hokkaido University","ror":"https://ror.org/02e16g702","country_code":"JP","type":"education","lineage":["https://openalex.org/I205349734"]},{"id":"https://openalex.org/I4210100160","display_name":"University of Kikwit","ror":"https://ror.org/0149e7294","country_code":"CD","type":"education","lineage":["https://openalex.org/I4210100160"]},{"id":"https://openalex.org/I4210135018","display_name":"National Institute of Biomedical Research","ror":"https://ror.org/03qyfje32","country_code":"CD","type":"government","lineage":["https://openalex.org/I4210135018"]},{"id":"https://openalex.org/I4405287359","display_name":"Hokkaido University International Institute for Zoonosis Control","ror":"https://ror.org/04z6qv748","country_code":"JP","type":"facility","lineage":["https://openalex.org/I205349734","https://openalex.org/I4405287359"]}],"countries":["CD","JP"],"is_corresponding":true,"raw_author_name":"Yannick Munyeku-Bazitama","raw_affiliation_strings":["Division of Global Epidemiology, International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan","D\u00e9partement de Virologie, Institut National de Recherche Biom\u00e9dicale, Kinshasa, Democratic Republic of the Congo","Facult\u00e9 de M\u00e9decine, University of Kikwit, Kikwit, Democratic Republic of the Congo"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Global Epidemiology, International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan","institution_ids":["https://openalex.org/I205349734","https://openalex.org/I4405287359"]},{"raw_affiliation_string":"D\u00e9partement de Virologie, Institut National de Recherche Biom\u00e9dicale, Kinshasa, Democratic Republic of the Congo","institution_ids":["https://openalex.org/I4210135018"]},{"raw_affiliation_string":"Facult\u00e9 de M\u00e9decine, University of Kikwit, Kikwit, Democratic Republic of the Congo","institution_ids":["https://openalex.org/I4210100160"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5160492987","display_name":"Fleurette Domai Mbuyakala","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210100160","display_name":"University of Kikwit","ror":"https://ror.org/0149e7294","country_code":"CD","type":"education","lineage":["https://openalex.org/I4210100160"]}],"countries":["CD"],"is_corresponding":false,"raw_author_name":"Fleurette Domai Mbuyakala","raw_affiliation_strings":["Facult\u00e9 de M\u00e9decine, University of Kikwit, Kikwit, Democratic Republic of the Congo"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Facult\u00e9 de M\u00e9decine, University of Kikwit, Kikwit, Democratic Republic of the Congo","institution_ids":["https://openalex.org/I4210100160"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020398467","display_name":"Sophie Suh Young Kang","orcid":"https://orcid.org/0000-0001-9585-3556","observed_orcids":["https://orcid.org/0000-0001-9585-3556"]},"institutions":[{"id":"https://openalex.org/I1309827724","display_name":"International Vaccine Institute","ror":"https://ror.org/02yfanq70","country_code":"KR","type":"nonprofit","lineage":["https://openalex.org/I1309827724"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Sophie Suh Young Kang","raw_affiliation_strings":["International Vaccine Institute, Seoul, Republic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"International Vaccine Institute, Seoul, Republic of Korea","institution_ids":["https://openalex.org/I1309827724"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5160497550","display_name":"Pascal Ngongondu-Itunga","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210135018","display_name":"National Institute of Biomedical Research","ror":"https://ror.org/03qyfje32","country_code":"CD","type":"government","lineage":["https://openalex.org/I4210135018"]}],"countries":["CD"],"is_corresponding":false,"raw_author_name":"Pascal Ngongondu-Itunga","raw_affiliation_strings":["D\u00e9partement de Virologie, Institut National de Recherche Biom\u00e9dicale, Kinshasa, Democratic Republic of the Congo"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"D\u00e9partement de Virologie, Institut National de Recherche Biom\u00e9dicale, Kinshasa, Democratic Republic of the Congo","institution_ids":["https://openalex.org/I4210135018"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5160495105","display_name":"Lionel Baketana","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210135018","display_name":"National Institute of Biomedical Research","ror":"https://ror.org/03qyfje32","country_code":"CD","type":"government","lineage":["https://openalex.org/I4210135018"]}],"countries":["CD"],"is_corresponding":false,"raw_author_name":"Lionel Baketana","raw_affiliation_strings":["D\u00e9partement de Virologie, Institut National de Recherche Biom\u00e9dicale, Kinshasa, Democratic Republic of the Congo"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"D\u00e9partement de Virologie, Institut National de Recherche Biom\u00e9dicale, Kinshasa, Democratic Republic of the Congo","institution_ids":["https://openalex.org/I4210135018"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082394696","display_name":"Elisabeth Pukuta-Simbu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210135018","display_name":"National Institute of Biomedical Research","ror":"https://ror.org/03qyfje32","country_code":"CD","type":"government","lineage":["https://openalex.org/I4210135018"]}],"countries":["CD"],"is_corresponding":false,"raw_author_name":"Elisabeth Pukuta-Simbu","raw_affiliation_strings":["D\u00e9partement de Virologie, Institut National de Recherche Biom\u00e9dicale, Kinshasa, Democratic Republic of the Congo"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"D\u00e9partement de Virologie, Institut National de Recherche Biom\u00e9dicale, Kinshasa, Democratic Republic of the Congo","institution_ids":["https://openalex.org/I4210135018"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5160469522","display_name":"Grace Mbiya","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210135018","display_name":"National Institute of Biomedical Research","ror":"https://ror.org/03qyfje32","country_code":"CD","type":"government","lineage":["https://openalex.org/I4210135018"]}],"countries":["CD"],"is_corresponding":false,"raw_author_name":"Grace Mbiya","raw_affiliation_strings":["D\u00e9partement de Virologie, Institut National de Recherche Biom\u00e9dicale, Kinshasa, Democratic Republic of the Congo"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"D\u00e9partement de Virologie, Institut National de Recherche Biom\u00e9dicale, Kinshasa, Democratic Republic of the Congo","institution_ids":["https://openalex.org/I4210135018"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5160498943","display_name":"Christelle Inamba","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210135018","display_name":"National Institute of Biomedical Research","ror":"https://ror.org/03qyfje32","country_code":"CD","type":"government","lineage":["https://openalex.org/I4210135018"]}],"countries":["CD"],"is_corresponding":false,"raw_author_name":"Christelle Inamba","raw_affiliation_strings":["D\u00e9partement de Virologie, Institut National de Recherche Biom\u00e9dicale, Kinshasa, Democratic Republic of the Congo"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"D\u00e9partement de Virologie, Institut National de Recherche Biom\u00e9dicale, Kinshasa, Democratic Republic of the Congo","institution_ids":["https://openalex.org/I4210135018"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5160444075","display_name":"Agar Matalatala","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210135018","display_name":"National Institute of Biomedical Research","ror":"https://ror.org/03qyfje32","country_code":"CD","type":"government","lineage":["https://openalex.org/I4210135018"]}],"countries":["CD"],"is_corresponding":false,"raw_author_name":"Agar Matalatala","raw_affiliation_strings":["D\u00e9partement de Virologie, Institut National de Recherche Biom\u00e9dicale, Kinshasa, Democratic Republic of the Congo"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"D\u00e9partement de Virologie, Institut National de Recherche Biom\u00e9dicale, Kinshasa, Democratic Republic of the Congo","institution_ids":["https://openalex.org/I4210135018"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066611550","display_name":"Ellen E. Higginson","orcid":"https://orcid.org/0000-0001-9218-1627","observed_orcids":["https://orcid.org/0000-0001-9218-1627"]},"institutions":[{"id":"https://openalex.org/I241749","display_name":"University of Cambridge","ror":"https://ror.org/013meh722","country_code":"GB","type":"education","lineage":["https://openalex.org/I241749"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Ellen Higginson","raw_affiliation_strings":["Department of Medicine, Cambridge Institute of Therapeutic Immunology and Infectious Disease, University of Cambridge, Cambridge, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Medicine, Cambridge Institute of Therapeutic Immunology and Infectious Disease, University of Cambridge, Cambridge, UK","institution_ids":["https://openalex.org/I241749"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006942560","display_name":"Florian Marks","orcid":"https://orcid.org/0000-0002-6043-7170","observed_orcids":["https://orcid.org/0000-0002-6043-7170","https://orcid.org/0000-0002-7978-3401"]},"institutions":[{"id":"https://openalex.org/I1309827724","display_name":"International Vaccine Institute","ror":"https://ror.org/02yfanq70","country_code":"KR","type":"nonprofit","lineage":["https://openalex.org/I1309827724"]},{"id":"https://openalex.org/I137724175","display_name":"University of Antananarivo","ror":"https://ror.org/02w4gwv87","country_code":"MG","type":"education","lineage":["https://openalex.org/I137724175"]},{"id":"https://openalex.org/I241749","display_name":"University of Cambridge","ror":"https://ror.org/013meh722","country_code":"GB","type":"education","lineage":["https://openalex.org/I241749"]},{"id":"https://openalex.org/I2802164966","display_name":"University Hospital Heidelberg","ror":"https://ror.org/013czdx64","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I2802164966"]},{"id":"https://openalex.org/I4210100650","display_name":"Hong Kong Jockey Club","ror":"https://ror.org/015ygrv52","country_code":"HK","type":"nonprofit","lineage":["https://openalex.org/I4210100650"]},{"id":"https://openalex.org/I4405263306","display_name":"Heidelberg Institute of Global Health","ror":"https://ror.org/052rvyy58","country_code":"DE","type":"facility","lineage":["https://openalex.org/I2802164966","https://openalex.org/I4405263306"]}],"countries":["DE","GB","HK","KR","MG"],"is_corresponding":false,"raw_author_name":"Florian Marks","raw_affiliation_strings":["Department of Medicine, Cambridge Institute of Therapeutic Immunology and Infectious Disease, University of Cambridge, Cambridge, UK","Heidelberg Institute of Global Health, Universitatsklinikum Heidelberg, Heidelberg, Baden- W\u00fcrttemberg, Germany","International Vaccine Institute, Seoul, Republic of Korea","Madagascar Institute for Vaccine Research, University of Antananarivo, Antananarivo, Antananarivo Province, Madagascar","The Hong Kong Jockey Club Global Health Institute, Hong Kong Special Administrative Region, Hong Kong, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Medicine, Cambridge Institute of Therapeutic Immunology and Infectious Disease, University of Cambridge, Cambridge, UK","institution_ids":["https://openalex.org/I241749"]},{"raw_affiliation_string":"Heidelberg Institute of Global Health, Universitatsklinikum Heidelberg, Heidelberg, Baden- W\u00fcrttemberg, Germany","institution_ids":["https://openalex.org/I2802164966","https://openalex.org/I4405263306"]},{"raw_affiliation_string":"International Vaccine Institute, Seoul, Republic of Korea","institution_ids":["https://openalex.org/I1309827724"]},{"raw_affiliation_string":"Madagascar Institute for Vaccine Research, University of Antananarivo, Antananarivo, Antananarivo Province, Madagascar","institution_ids":["https://openalex.org/I137724175"]},{"raw_affiliation_string":"The Hong Kong Jockey Club Global Health Institute, Hong Kong Special Administrative Region, Hong Kong, China","institution_ids":["https://openalex.org/I4210100650"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006387267","display_name":"Steve Ahuka Mundeke","orcid":"https://orcid.org/0009-0009-5210-864X","observed_orcids":["https://orcid.org/0009-0009-5210-864X"]},"institutions":[{"id":"https://openalex.org/I34942010","display_name":"University of Kinshasa","ror":"https://ror.org/05rrz2q74","country_code":"CD","type":"education","lineage":["https://openalex.org/I34942010"]},{"id":"https://openalex.org/I4210135018","display_name":"National Institute of Biomedical Research","ror":"https://ror.org/03qyfje32","country_code":"CD","type":"government","lineage":["https://openalex.org/I4210135018"]}],"countries":["CD"],"is_corresponding":false,"raw_author_name":"Steve Ahuka-Mundeke","raw_affiliation_strings":["D\u00e9partement de Biologie M\u00e9dicale, Facult\u00e9 de M\u00e9decine, Universit\u00e9 de Kinshasa, Kinshasa, Democratic Republic of the Congo","D\u00e9partement de Virologie, Institut National de Recherche Biom\u00e9dicale, Kinshasa, Democratic Republic of the Congo"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"D\u00e9partement de Biologie M\u00e9dicale, Facult\u00e9 de M\u00e9decine, Universit\u00e9 de Kinshasa, Kinshasa, Democratic Republic of the Congo","institution_ids":["https://openalex.org/I34942010"]},{"raw_affiliation_string":"D\u00e9partement de Virologie, Institut National de Recherche Biom\u00e9dicale, Kinshasa, Democratic Republic of the Congo","institution_ids":["https://openalex.org/I4210135018"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5056947074","display_name":"Sheila Makiala Mandanda","orcid":"https://orcid.org/0000-0002-4261-4399","observed_orcids":["https://orcid.org/0000-0002-4261-4399"]},"institutions":[{"id":"https://openalex.org/I34942010","display_name":"University of Kinshasa","ror":"https://ror.org/05rrz2q74","country_code":"CD","type":"education","lineage":["https://openalex.org/I34942010"]},{"id":"https://openalex.org/I4210135018","display_name":"National Institute of Biomedical Research","ror":"https://ror.org/03qyfje32","country_code":"CD","type":"government","lineage":["https://openalex.org/I4210135018"]}],"countries":["CD"],"is_corresponding":true,"raw_author_name":"Sheila Makiala-Mandanda","raw_affiliation_strings":["D\u00e9partement de Biologie M\u00e9dicale, Facult\u00e9 de M\u00e9decine, Universit\u00e9 de Kinshasa, Kinshasa, Democratic Republic of the Congo","D\u00e9partement de Virologie, Institut National de Recherche Biom\u00e9dicale, Kinshasa, Democratic Republic of the Congo"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"D\u00e9partement de Biologie M\u00e9dicale, Facult\u00e9 de M\u00e9decine, Universit\u00e9 de Kinshasa, Kinshasa, Democratic Republic of the Congo","institution_ids":["https://openalex.org/I34942010"]},{"raw_affiliation_string":"D\u00e9partement de Virologie, Institut National de Recherche Biom\u00e9dicale, Kinshasa, Democratic Republic of the Congo","institution_ids":["https://openalex.org/I4210135018"]}]}],"institutions":[],"countries_distinct_count":7,"institutions_distinct_count":11,"corresponding_author_ids":["https://openalex.org/A5025865351","https://openalex.org/A5056947074"],"corresponding_institution_ids":["https://openalex.org/I205349734","https://openalex.org/I34942010","https://openalex.org/I4210100160","https://openalex.org/I4210135018","https://openalex.org/I4405287359"],"apc_list":{"value":3090,"currency":"USD","value_usd":3090},"apc_paid":{"value":3090,"currency":"USD","value_usd":3090},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.82221755,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12025","display_name":"Hepatitis Viruses Studies and Epidemiology","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2721","display_name":"Hepatology"},"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/T12025","display_name":"Hepatitis Viruses Studies and Epidemiology","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2721","display_name":"Hepatology"},"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/T10340","display_name":"Hepatitis B Virus Studies","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"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/T11581","display_name":"Viral Infections and Outbreaks Research","score":0.0,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/hepatitis-e-virus","display_name":"hepatitis E virus","score":0.9259999990463257},{"id":"https://openalex.org/keywords/seroprevalence","display_name":"seroprevalence","score":0.9559999704360962},{"id":"https://openalex.org/keywords/hev-rna","display_name":"HEV RNA","score":0.8769999742507935},{"id":"https://openalex.org/keywords/sociodemographic-risk-factors","display_name":"sociodemographic risk factors","score":0.7480000257492065},{"id":"https://openalex.org/keywords/democratic-republic-of-the-congo","display_name":"Democratic Republic of the Congo","score":0.9120000004768372}],"concepts":[{"id":"https://openalex.org/C2780777367","wikidata":"https://www.wikidata.org/wiki/Q24757533","display_name":"Hepatitis E virus","level":4,"score":0.9052000045776367},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.8464999794960022},{"id":"https://openalex.org/C2781096931","wikidata":"https://www.wikidata.org/wiki/Q326643","display_name":"Hepatitis E","level":4,"score":0.7310000061988831},{"id":"https://openalex.org/C2778494684","wikidata":"https://www.wikidata.org/wiki/Q3511357","display_name":"Seroprevalence","level":4,"score":0.7210999727249146},{"id":"https://openalex.org/C2778456037","wikidata":"https://www.wikidata.org/wiki/Q133244","display_name":"Jaundice","level":2,"score":0.5702000260353088},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.5083000063896179},{"id":"https://openalex.org/C2775876817","wikidata":"https://www.wikidata.org/wiki/Q157661","display_name":"Hepatitis A","level":3,"score":0.4699999988079071},{"id":"https://openalex.org/C190139176","wikidata":"https://www.wikidata.org/wiki/Q598976","display_name":"Medical microbiology","level":2,"score":0.4580000042915344},{"id":"https://openalex.org/C2777072776","wikidata":"https://www.wikidata.org/wiki/Q1983841","display_name":"Viral hepatitis","level":2,"score":0.44909998774528503},{"id":"https://openalex.org/C185032368","wikidata":"https://www.wikidata.org/wiki/Q1365243","display_name":"Tropical medicine","level":2,"score":0.40209999680519104},{"id":"https://openalex.org/C107130276","wikidata":"https://www.wikidata.org/wiki/Q133805","display_name":"Epidemiology","level":2,"score":0.39899998903274536},{"id":"https://openalex.org/C3018886096","wikidata":"https://www.wikidata.org/wiki/Q131742","display_name":"Acute hepatitis","level":3,"score":0.39419999718666077},{"id":"https://openalex.org/C203014093","wikidata":"https://www.wikidata.org/wiki/Q101929","display_name":"Immunology","level":1,"score":0.38609999418258667},{"id":"https://openalex.org/C151956035","wikidata":"https://www.wikidata.org/wiki/Q1132755","display_name":"Logistic regression","level":2,"score":0.34860000014305115},{"id":"https://openalex.org/C2776029263","wikidata":"https://www.wikidata.org/wiki/Q131742","display_name":"Hepatitis","level":2,"score":0.3343000113964081},{"id":"https://openalex.org/C167135981","wikidata":"https://www.wikidata.org/wiki/Q2146302","display_name":"Retrospective cohort study","level":2,"score":0.33340001106262207},{"id":"https://openalex.org/C159047783","wikidata":"https://www.wikidata.org/wiki/Q7215","display_name":"Virology","level":1,"score":0.3264999985694885},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.30790001153945923},{"id":"https://openalex.org/C2779131611","wikidata":"https://www.wikidata.org/wiki/Q154874","display_name":"Yellow fever","level":3,"score":0.29660001397132874},{"id":"https://openalex.org/C159654299","wikidata":"https://www.wikidata.org/wiki/Q79460","display_name":"Antibody","level":2,"score":0.2892000079154968},{"id":"https://openalex.org/C45189115","wikidata":"https://www.wikidata.org/wiki/Q502159","display_name":"Serology","level":3,"score":0.28780001401901245},{"id":"https://openalex.org/C2780727368","wikidata":"https://www.wikidata.org/wiki/Q1928978","display_name":"Viral disease","level":3,"score":0.28519999980926514},{"id":"https://openalex.org/C205545832","wikidata":"https://www.wikidata.org/wiki/Q17156455","display_name":"Young adult","level":2,"score":0.2766999900341034},{"id":"https://openalex.org/C187212893","wikidata":"https://www.wikidata.org/wiki/Q123028","display_name":"Pediatrics","level":1,"score":0.2628999948501587},{"id":"https://openalex.org/C2780731870","wikidata":"https://www.wikidata.org/wiki/Q164818","display_name":"Q fever","level":2,"score":0.25760000944137573},{"id":"https://openalex.org/C533803919","wikidata":"https://www.wikidata.org/wiki/Q30953","display_name":"Dengue fever","level":2,"score":0.25}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1186/s12879-026-14765-7","doi":"https://doi.org/10.1186/s12879-026-14765-7","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s12879-026-14765-7","pdf_url":null,"source":{"id":"https://openalex.org/S171015910","display_name":"BMC Infectious Diseases","issn_l":"1471-2334","issn":["1471-2334"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-d","doyens","jufo-1","ki-jl-1","medline","norway-1","oarl","poland-100","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BMC Infectious Diseases","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1186/s12879-026-14765-7","doi":"https://doi.org/10.1186/s12879-026-14765-7","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s12879-026-14765-7","pdf_url":null,"source":{"id":"https://openalex.org/S171015910","display_name":"BMC Infectious Diseases","issn_l":"1471-2334","issn":["1471-2334"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-d","doyens","jufo-1","ki-jl-1","medline","norway-1","oarl","poland-100","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BMC Infectious Diseases","raw_type":"journal-article"},"sustainable_development_goals":[{"score":1.0,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W4407153230","https://openalex.org/W2588318584","https://openalex.org/W3213387837","https://openalex.org/W4415008117","https://openalex.org/W4391756025","https://openalex.org/W2950687869","https://openalex.org/W2287986868","https://openalex.org/W2791895304","https://openalex.org/W2980778617","https://openalex.org/W2964371522"],"abstract_inverted_index":{"Hepatitis":[0],"E":[1],"virus":[2],"(HEV)":[3],"is":[4],"the":[5,21,39,43,79,137,233,239],"leading":[6],"cause":[7],"of":[8,24,42,66,69,81,214,223,238,249],"acute":[9,48,250],"viral":[10,119],"hepatitis":[11],"worldwide,":[12],"with":[13,194],"an":[14],"estimated":[15],"20":[16],"million":[17],"infections":[18],"yearly.":[19],"Despite":[20],"substantial":[22],"burden":[23],"HEV":[25,56,82,133,147,164,192,207,224],"infections,":[26],"their":[27],"prevalence":[28],"and":[29,106,116,118,132,173,231],"distribution":[30],"are":[31],"poorly":[32],"documented,":[33],"especially":[34,196],"in":[35,211,226],"resource-limited":[36],"countries.":[37],"In":[38],"Democratic":[40],"Republic":[41],"Congo":[44],"(DRC),":[45],"surveillance":[46,243],"for":[47,112,146,197,235],"febrile":[49,251],"jaundice":[50],"focuses":[51],"on":[52],"yellow":[53,70,86,100,228,241],"fever,":[54],"while":[55,150],"infection":[57,83],"can":[58],"present":[59],"similar":[60],"symptoms.":[61],"However,":[62],"less":[63,175],"than":[64],"5%":[65],"suspected":[67,85,99,227],"cases":[68],"fever":[71,87,101,229,242],"test":[72],"positive.":[73,154],"This":[74,219],"study":[75,94,220],"aimed":[76],"to":[77,126,162,177,245],"determine":[78],"seroprevalence":[80],"among":[84],"cases.":[88],"We":[89,121],"conducted":[90],"a":[91,188],"retrospective":[92],"cross-sectional":[93],"using":[95],"samples":[96,140,217],"collected":[97],"from":[98],"patients":[102,230],"between":[103,129],"January":[104],"2019":[105],"December":[107],"2021.":[108],"Samples":[109],"were":[110,144,152,157],"tested":[111],"HEV-specific":[113],"antibodies":[114],"(IgM":[115],"IgG)":[117],"RNA.":[120],"performed":[122],"multivariable":[123],"logistic":[124],"regression":[125],"assess":[127],"associations":[128],"socio-demographic":[130],"characteristics":[131],"antibody":[134],"positivity.":[135],"Of":[136],"2,007":[138],"serum":[139],"analyzed,":[141],"30.8%":[142],"(28.8\u201332.8)":[143],"positive":[145],"total":[148,165],"antibodies,":[149],"3.6%":[151],"IgM":[153],"Male":[155],"participants":[156,198],"nearly":[158],"20%":[159],"more":[160],"likely":[161,176],"be":[163,178],"antibody-seropositive":[166],"(AOR:":[167,180,201],"1.2":[168],"[1.0\u20131.5],":[169],"p":[170,183,204],"=":[171,184,205],"0.028)":[172],"40%":[174],"IgM-positive":[179,216],"0.6":[181],"[0.4\u20131.1],":[182],"0.088).":[185],"There":[186],"was":[187,209],"trend":[189],"towards":[190],"increased":[191],"seropositivity":[193],"age,":[195],"aged":[199],"20\u201329":[200],"1.3":[202],"[1.0\u20131.8],":[203],"0.046).":[206],"RNA":[208],"detected":[210],"only":[212],"one":[213],"72":[215],"(1.4%).":[218],"provides":[221],"evidence":[222],"circulation":[225],"highlights":[232],"need":[234],"dual":[236],"use":[237],"national":[240],"system":[244],"investigate":[246],"other":[247],"causes":[248],"jaundice.":[252]},"counts_by_year":[],"updated_date":"2026-11-06T12:05:46.655746","created_date":"2026-11-04T00:00:00"}