{"id":"https://openalex.org/W3216522201","doi":"https://doi.org/10.1101/2021.11.23.21266574","title":"Reinfection with SARS-CoV-2: outcome, risk factors and vaccine efficacy in a Scottish cohort","display_name":"Reinfection with SARS-CoV-2: outcome, risk factors and vaccine efficacy in a Scottish cohort","publication_year":2021,"publication_date":"2021-11-24","ids":{"openalex":"https://openalex.org/W3216522201","doi":"https://doi.org/10.1101/2021.11.23.21266574","mag":"3216522201"},"language":"en","primary_location":{"id":"doi:10.1101/2021.11.23.21266574","doi":"https://doi.org/10.1101/2021.11.23.21266574","is_oa":true,"landing_page_url":"https://doi.org/10.1101/2021.11.23.21266574","pdf_url":"https://www.medrxiv.org/content/medrxiv/early/2021/11/24/2021.11.23.21266574.full.pdf","source":{"id":"https://openalex.org/S3005729997","display_name":"medRxiv","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":["https://openalex.org/P4310315909"],"host_organization_lineage_names":["Cold Spring Harbor Laboratory Press"],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"medRxiv","raw_type":"posted-content"},"volume":null,"type":"preprint","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://www.medrxiv.org/content/medrxiv/early/2021/11/24/2021.11.23.21266574.full.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5039750697","display_name":"Paul McKeigue","orcid":"https://orcid.org/0000-0002-5217-1034","observed_orcids":["https://orcid.org/0000-0002-5217-1034"]},"institutions":[{"id":"https://openalex.org/I4210117886","display_name":"Public Health Scotland","ror":"https://ror.org/023wh8b50","country_code":"GB","type":"government","lineage":["https://openalex.org/I1319760190","https://openalex.org/I4210117886"]},{"id":"https://openalex.org/I98677209","display_name":"University of Edinburgh","ror":"https://ror.org/01nrxwf90","country_code":"GB","type":"education","lineage":["https://openalex.org/I98677209"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Paul M McKeigue","raw_affiliation_strings":["Public Health Scotland, Meridian Court, 5 Cadogan Street, Glasgow G2 6QE","Usher Institute, College of Medicine and Veterinary Medicine, University of Edinburgh, Teviot Place, Edinburgh EH8 9AG, Scotland","Public Halth Scotland, Mridian Court, 5 Cadogan Strt, Glasgow G2 6QE","Usher Institute, College of Medicine nd Veterinry Medicine, University of Edinburgh, Teviot Plce, Edinburgh EH8 9AG, Scotlnd"],"raw_orcid":"https://orcid.org/0000-0002-5217-1034","affiliations":[{"raw_affiliation_string":"Public Health Scotland, Meridian Court, 5 Cadogan Street, Glasgow G2 6QE","institution_ids":["https://openalex.org/I4210117886"]},{"raw_affiliation_string":"Usher Institute, College of Medicine and Veterinary Medicine, University of Edinburgh, Teviot Place, Edinburgh EH8 9AG, Scotland","institution_ids":["https://openalex.org/I98677209"]},{"raw_affiliation_string":"Public Halth Scotland, Mridian Court, 5 Cadogan Strt, Glasgow G2 6QE","institution_ids":["https://openalex.org/I4210117886"]},{"raw_affiliation_string":"Usher Institute, College of Medicine nd Veterinry Medicine, University of Edinburgh, Teviot Plce, Edinburgh EH8 9AG, Scotlnd","institution_ids":["https://openalex.org/I98677209"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050990483","display_name":"David McAllister","orcid":"https://orcid.org/0000-0003-3550-1764","observed_orcids":["https://orcid.org/0000-0003-3550-1764"]},"institutions":[{"id":"https://openalex.org/I4210117886","display_name":"Public Health Scotland","ror":"https://ror.org/023wh8b50","country_code":"GB","type":"government","lineage":["https://openalex.org/I1319760190","https://openalex.org/I4210117886"]},{"id":"https://openalex.org/I7882870","display_name":"University of Glasgow","ror":"https://ror.org/00vtgdb53","country_code":"GB","type":"education","lineage":["https://openalex.org/I7882870"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"David A McAllister","raw_affiliation_strings":["Institute of Health and Wellbeing, University of Glasgow, 1 Lilybank Gardens, Glasgow G12 8RZ","Public Health Scotland, Meridian Court, 5 Cadogan Street, Glasgow G2 6QE","Institute of Health and Welleing, University of Glasgow, 1 Lilyank Gardens, Glasgow G12 8RZ","Public Halth Scotland, Mridian Court, 5 Cadogan Strt, Glasgow G2 6QE"],"raw_orcid":"https://orcid.org/0000-0003-3550-1764","affiliations":[{"raw_affiliation_string":"Institute of Health and Wellbeing, University of Glasgow, 1 Lilybank Gardens, Glasgow G12 8RZ","institution_ids":["https://openalex.org/I7882870"]},{"raw_affiliation_string":"Public Health Scotland, Meridian Court, 5 Cadogan Street, Glasgow G2 6QE","institution_ids":["https://openalex.org/I4210117886"]},{"raw_affiliation_string":"Institute of Health and Welleing, University of Glasgow, 1 Lilyank Gardens, Glasgow G12 8RZ","institution_ids":["https://openalex.org/I7882870"]},{"raw_affiliation_string":"Public Halth Scotland, Mridian Court, 5 Cadogan Strt, Glasgow G2 6QE","institution_ids":["https://openalex.org/I4210117886"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014846731","display_name":"Chris Robertson","orcid":"https://orcid.org/0000-0001-6848-5241","observed_orcids":["https://orcid.org/0000-0001-6848-5241"]},"institutions":[{"id":"https://openalex.org/I181647926","display_name":"University of Strathclyde","ror":"https://ror.org/00n3w3b69","country_code":"GB","type":"education","lineage":["https://openalex.org/I181647926"]},{"id":"https://openalex.org/I4210117886","display_name":"Public Health Scotland","ror":"https://ror.org/023wh8b50","country_code":"GB","type":"government","lineage":["https://openalex.org/I1319760190","https://openalex.org/I4210117886"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Chris Robertson","raw_affiliation_strings":["Department of Mathematics and Statistics, University of Strathclyde, 16 Richmond Street, Glasgow G1 1XQ","Public Health Scotland, Meridian Court, 5 Cadogan Street, Glasgow G2 6QE","Department of Mathematis and Statistis, University of Strathlyde, 16 Rihmond Street, Glasgow G1 1XQ","Public Halth Scotland, Mridian Court, 5 Cadogan Strt, Glasgow G2 6QE"],"raw_orcid":"https://orcid.org/0000-0001-6848-5241","affiliations":[{"raw_affiliation_string":"Department of Mathematics and Statistics, University of Strathclyde, 16 Richmond Street, Glasgow G1 1XQ","institution_ids":["https://openalex.org/I181647926"]},{"raw_affiliation_string":"Public Health Scotland, Meridian Court, 5 Cadogan Street, Glasgow G2 6QE","institution_ids":["https://openalex.org/I4210117886"]},{"raw_affiliation_string":"Department of Mathematis and Statistis, University of Strathlyde, 16 Rihmond Street, Glasgow G1 1XQ","institution_ids":["https://openalex.org/I181647926"]},{"raw_affiliation_string":"Public Halth Scotland, Mridian Court, 5 Cadogan Strt, Glasgow G2 6QE","institution_ids":["https://openalex.org/I4210117886"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036021321","display_name":"Diane Stockton","orcid":"https://orcid.org/0000-0003-0456-8827","observed_orcids":["https://orcid.org/0000-0003-0456-8827"]},"institutions":[{"id":"https://openalex.org/I4210117886","display_name":"Public Health Scotland","ror":"https://ror.org/023wh8b50","country_code":"GB","type":"government","lineage":["https://openalex.org/I1319760190","https://openalex.org/I4210117886"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Diane Stockton","raw_affiliation_strings":["Public Health Scotland, Meridian Court, 5 Cadogan Street, Glasgow G2 6QE","Public Halth Scotland, Mridian Court, 5 Cadogan Strt, Glasgow G2 6QE"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Public Health Scotland, Meridian Court, 5 Cadogan Street, Glasgow G2 6QE","institution_ids":["https://openalex.org/I4210117886"]},{"raw_affiliation_string":"Public Halth Scotland, Mridian Court, 5 Cadogan Strt, Glasgow G2 6QE","institution_ids":["https://openalex.org/I4210117886"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5005414020","display_name":"Helen Martina Colhoun","orcid":"https://orcid.org/0000-0002-8345-3288","observed_orcids":["https://orcid.org/0000-0002-8345-3288"]},"institutions":[{"id":"https://openalex.org/I2800150677","display_name":"Western General Hospital","ror":"https://ror.org/009kr6r15","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I1324252669","https://openalex.org/I2800150677"]},{"id":"https://openalex.org/I4210117886","display_name":"Public Health Scotland","ror":"https://ror.org/023wh8b50","country_code":"GB","type":"government","lineage":["https://openalex.org/I1319760190","https://openalex.org/I4210117886"]},{"id":"https://openalex.org/I4210158898","display_name":"Institute of Genetics and Cancer","ror":"https://ror.org/05hygey35","country_code":"GB","type":"facility","lineage":["https://openalex.org/I4210087105","https://openalex.org/I4210158898","https://openalex.org/I90344618","https://openalex.org/I98677209"]},{"id":"https://openalex.org/I98677209","display_name":"University of Edinburgh","ror":"https://ror.org/01nrxwf90","country_code":"GB","type":"education","lineage":["https://openalex.org/I98677209"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Helen M Colhoun","raw_affiliation_strings":["Institute of Genetics and Cancer, College of Medicine and Veterinary Medicine, University of Edinburgh, Western General Hospital Campus, Crewe Road, Edinburgh EH4 2XUC, Scotland","Public Health Scotland, Meridian Court, 5 Cadogan Street, Glasgow G2 6QE","Institute of Genetics an Cancer, College of Meicine an Veterinary Meicine, University of Einburgh, Western General Hospital Campus, Crewe Roa, Einburgh EH4 2XUC, Scotlan","Public Halth Scotland, Mridian Court, 5 Cadogan Strt, Glasgow G2 6QE"],"raw_orcid":"https://orcid.org/0000-0002-8345-3288","affiliations":[{"raw_affiliation_string":"Institute of Genetics and Cancer, College of Medicine and Veterinary Medicine, University of Edinburgh, Western General Hospital Campus, Crewe Road, Edinburgh EH4 2XUC, Scotland","institution_ids":["https://openalex.org/I2800150677","https://openalex.org/I4210158898","https://openalex.org/I98677209"]},{"raw_affiliation_string":"Public Health Scotland, Meridian Court, 5 Cadogan Street, Glasgow G2 6QE","institution_ids":["https://openalex.org/I4210117886"]},{"raw_affiliation_string":"Institute of Genetics an Cancer, College of Meicine an Veterinary Meicine, University of Einburgh, Western General Hospital Campus, Crewe Roa, Einburgh EH4 2XUC, Scotlan","institution_ids":["https://openalex.org/I2800150677"]},{"raw_affiliation_string":"Public Halth Scotland, Mridian Court, 5 Cadogan Strt, Glasgow G2 6QE","institution_ids":["https://openalex.org/I4210117886"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5039750697"],"corresponding_institution_ids":["https://openalex.org/I4210117886","https://openalex.org/I98677209"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":null,"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/T10118","display_name":"SARS-CoV-2 and COVID-19 Research","score":0.9984999895095825,"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"}},"topics":[{"id":"https://openalex.org/T10118","display_name":"SARS-CoV-2 and COVID-19 Research","score":0.9984999895095825,"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/T10410","display_name":"COVID-19 epidemiological studies","score":0.00039999998989515007,"subfield":{"id":"https://openalex.org/subfields/2611","display_name":"Modeling and Simulation"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10041","display_name":"COVID-19 Clinical Research Studies","score":0.00019999999494757503,"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/sars-cov-2-reinfection","display_name":"SARS-CoV-2 reinfection","score":0.9359999895095825},{"id":"https://openalex.org/keywords/covid-19","display_name":"COVID-19 pandemic","score":0.8550000190734863},{"id":"https://openalex.org/keywords/sars-cov-2","display_name":"SARS-CoV-2","score":0.7919999957084656},{"id":"https://openalex.org/keywords/prior-infection","display_name":"prior infection","score":0.6190000176429749},{"id":"https://openalex.org/keywords/natural-immunity","display_name":"natural immunity","score":0.625},{"id":"https://openalex.org/keywords/covid-19-vaccination","display_name":"COVID-19 vaccination","score":0.7879999876022339},{"id":"https://openalex.org/keywords/vaccine-efficacy","display_name":"vaccine efficacy","score":0.9559999704360962},{"id":"https://openalex.org/keywords/hospitalization","display_name":"hospitalization","score":0.6959999799728394},{"id":"https://openalex.org/keywords/risk-factors","display_name":"risk factors","score":0.5740000009536743},{"id":"https://openalex.org/keywords/scotland","display_name":"Scotland","score":0.3659999966621399},{"id":"https://openalex.org/keywords/cohort-studies","display_name":"cohort studies","score":0.3610000014305115},{"id":"https://openalex.org/keywords/sars-cov-2-variants","display_name":"SARS-CoV-2 variants","score":0.5120000243186951},{"id":"https://openalex.org/keywords/omicron-variant","display_name":"Omicron variant","score":0.6190000176429749},{"id":"https://openalex.org/keywords/delta","display_name":"Delta","score":0.3310000002384186},{"id":"https://openalex.org/keywords/alpha","display_name":"alpha","score":0.39800000190734863},{"id":"https://openalex.org/keywords/beta","display_name":"beta","score":0.5199999809265137},{"id":"https://openalex.org/keywords/gamma","display_name":"gamma","score":0.6809999942779541},{"id":"https://openalex.org/keywords/mus","display_name":"Mus","score":0.30399999022483826}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.8186130523681641},{"id":"https://openalex.org/C72563966","wikidata":"https://www.wikidata.org/wiki/Q1303415","display_name":"Cohort","level":2,"score":0.7089380621910095},{"id":"https://openalex.org/C22070199","wikidata":"https://www.wikidata.org/wiki/Q192995","display_name":"Vaccination","level":2,"score":0.6985121965408325},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.6545510292053223},{"id":"https://openalex.org/C201903717","wikidata":"https://www.wikidata.org/wiki/Q1778788","display_name":"Cohort study","level":2,"score":0.569231390953064},{"id":"https://openalex.org/C2780441014","wikidata":"https://www.wikidata.org/wiki/Q7907952","display_name":"Vaccine efficacy","level":3,"score":0.5341576337814331},{"id":"https://openalex.org/C3008058167","wikidata":"https://www.wikidata.org/wiki/Q84263196","display_name":"Coronavirus disease 2019 (COVID-19)","level":4,"score":0.41684648394584656},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.40638038516044617},{"id":"https://openalex.org/C203014093","wikidata":"https://www.wikidata.org/wiki/Q101929","display_name":"Immunology","level":1,"score":0.3457832634449005},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.3435940146446228},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.08960822224617004},{"id":"https://openalex.org/C524204448","wikidata":"https://www.wikidata.org/wiki/Q788926","display_name":"Infectious disease (medical specialty)","level":3,"score":0.0810495913028717},{"id":"https://openalex.org/C2779134260","wikidata":"https://www.wikidata.org/wiki/Q12136","display_name":"Disease","level":2,"score":0.0664617121219635},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1101/2021.11.23.21266574","doi":"https://doi.org/10.1101/2021.11.23.21266574","is_oa":true,"landing_page_url":"https://doi.org/10.1101/2021.11.23.21266574","pdf_url":"https://www.medrxiv.org/content/medrxiv/early/2021/11/24/2021.11.23.21266574.full.pdf","source":{"id":"https://openalex.org/S3005729997","display_name":"medRxiv","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":["https://openalex.org/P4310315909"],"host_organization_lineage_names":["Cold Spring Harbor Laboratory Press"],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"medRxiv","raw_type":"posted-content"}],"best_oa_location":{"id":"doi:10.1101/2021.11.23.21266574","doi":"https://doi.org/10.1101/2021.11.23.21266574","is_oa":true,"landing_page_url":"https://doi.org/10.1101/2021.11.23.21266574","pdf_url":"https://www.medrxiv.org/content/medrxiv/early/2021/11/24/2021.11.23.21266574.full.pdf","source":{"id":"https://openalex.org/S3005729997","display_name":"medRxiv","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":["https://openalex.org/P4310315909"],"host_organization_lineage_names":["Cold Spring Harbor Laboratory Press"],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"medRxiv","raw_type":"posted-content"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":1.0}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3216522201.pdf","grobid_xml":"https://content.openalex.org/works/W3216522201.grobid-xml"},"referenced_works_count":17,"referenced_works":["https://openalex.org/W2010123683","https://openalex.org/W2102291836","https://openalex.org/W2507826825","https://openalex.org/W3093877645","https://openalex.org/W3095993761","https://openalex.org/W3153039449","https://openalex.org/W3175889104","https://openalex.org/W3184226105","https://openalex.org/W3192403639","https://openalex.org/W3195291830","https://openalex.org/W3199695188","https://openalex.org/W3200928091","https://openalex.org/W3201072022","https://openalex.org/W3203181050","https://openalex.org/W3203639856","https://openalex.org/W4225130422","https://openalex.org/W4225657294"],"related_works":["https://openalex.org/W4283719322","https://openalex.org/W4200110624","https://openalex.org/W4226217140","https://openalex.org/W4361304799","https://openalex.org/W4282940574","https://openalex.org/W4323066514","https://openalex.org/W4288686888","https://openalex.org/W3203181050","https://openalex.org/W4207079197","https://openalex.org/W4285059085"],"abstract_inverted_index":{"Summary":[0],"Background":[1],"The":[2,157,190,341],"objective":[3],"of":[4,26,71,111,120,123,159,165,192,233,258,271,283,327,336,343],"this":[5,210,219,226,296,359],"study":[6,227],"was":[7,130,167,216,261],"to":[8,86,93,139,150,172,238,313],"investigate":[9],"how":[10,279],"protection":[11,199,303,350],"against":[12,141,152,200,274,286,304,351],"COVID-19":[13,77,245,306,331],"conferred":[14,307],"by":[15,20,43,293,308,316,332],"previous":[16,128,251,259,272,284,309,321],"infection":[17,129,181,194,202,246,252,260,273,285,310,345],"is":[18,264,311],"modified":[19,292],"vaccination.":[21,294,317],"Methods":[22],"In":[23,228,299,318],"a":[24,37,108,229],"cohort":[25,110,234],"all":[27,337],"152655":[28],"individuals":[29,112,301],"in":[30,107,125,176,183,222,244,248],"Scotland":[31],"alive":[32],"at":[33,186],"90":[34],"days":[35],"after":[36,162],"positive":[38],"test":[39],"for":[40,58,218],"SARS-CoV-2":[41],"(confirmed":[42],"cycle":[44],"threshold":[45],"<":[46],"30,":[47],"or":[48,65,154,277],"two":[49,121,163],"tests)":[50],"followed":[51],"till":[52],"22":[53],"September":[54],"2021,":[55,240],"rate":[56,158],"ratios":[57],"reinfection":[59,75,143,161,287,328],"were":[60,80,100],"estimated":[61,131],"with":[62,76,127,203,250,254,320],"calendar":[63],"time":[64],"tests":[66],"as":[67,132,133],"timescale.":[68],"Findings":[69],"Rates":[70],"detected":[72,142,160],"and":[73,88,103,144,195,288,329,346],"hospitalised":[74,153,305,330],"while":[78],"unvaccinated":[79,185,300],"respectively":[81,101],"6.8":[82],"(95%":[83,90,169],"CI":[84,91,137,148,170],"6.4":[85],"7.2)":[87],"0.18":[89],"0.12":[92],"0.25)":[94],"per":[95],"1000":[96],"person-months.":[97],"These":[98],"rates":[99,247,326],"68%":[102],"74%":[104],"lower":[105],"than":[106,182],"matched":[109],"who":[113],"had":[114],"not":[115,208,356],"previously":[116],"tested":[117],"positive.":[118],"Efficacy":[119],"doses":[122,164],"vaccine":[124,166],"those":[126,177,184,249,255,319],"84%":[134],"(95":[135,146],"percent":[136,147],"81%":[138],"86%)":[140],"71%":[145],"29%":[149],"88%)":[151],"fatal":[155],"reinfection.":[156],"1.35":[168],"1.02":[171],"1.78)":[173],"times":[174],"higher":[175],"vaccinated":[178],"before":[179,225],"first":[180,187],"infection.":[188],"Interpretation":[189],"combination":[191,342],"natural":[193,344],"vaccination":[196,206,323,347,354],"provides":[197,348],"maximal":[198,349],"new":[201],"SARS-CoV-2:":[204],"prior":[205,353],"does":[207,355],"impair":[209,358],"protection.":[211,360],"Funding":[212],"No":[213],"specific":[214],"funding":[215],"received":[217],"work.":[220],"Research":[221],"context":[223],"Evidence":[224],"recent":[230],"systematic":[231],"review":[232],"studies":[235],"reported":[236],"up":[237],"July":[239],"the":[241,268,280,302,325,338],"average":[242],"reduction":[243],"compared":[253],"without":[256],"evidence":[257,340],"90%.":[262],"There":[263],"little":[265],"information":[266],"about":[267,278,333],"protective":[269,281],"effect":[270],"severe":[275,289],"COVID-19,":[276],"effects":[282],"disease":[290],"are":[291],"What":[295],"paper":[297],"adds":[298],"similar":[312],"that":[314],"induced":[315],"infection,":[322],"reduces":[324],"70%.":[334],"Implications":[335],"available":[339],"COVID-19:":[352],"seriously":[357]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2022,"cited_by_count":3}],"updated_date":"2026-10-14T16:39:01.820549","created_date":"2021-12-06T00:00:00"}
