A prospective cohort study of SARS-CoV-2 infection-induced seroconversion and disease incidence in German healthcare workers before and during the rollout of COVID-19 vaccines

-д хадгалсан:
Номзүйн дэлгэрэнгүй
-д хэвлэсэн:PLoS One vol. 19, no. 1 (Jan 2024), p. e0294025
Үндсэн зохиолч: Gehring, Stephan
Бусад зохиолчид: Kowalzik, Frank, Okasha, Omar, Engelmann, Tobias, Schreiner, Daniel, Jensen, Christian, Mähringer-Kunz, Aline, Hartig-Merkel, Wendy, Thao Mai Phuong Tran, Oostvogels, Cornelia, Verstraeten, Thomas
Хэвлэсэн:
Public Library of Science
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Онлайн хандалт:Citation/Abstract
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024 7 |a 10.1371/journal.pone.0294025  |2 doi 
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045 2 |b d20240101  |b d20240131 
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100 1 |a Gehring, Stephan 
245 1 |a A prospective cohort study of SARS-CoV-2 infection-induced seroconversion and disease incidence in German healthcare workers before and during the rollout of COVID-19 vaccines 
260 |b Public Library of Science  |c Jan 2024 
513 |a Journal Article 
520 3 |a We assessed the seroepidemiology of SARS-CoV-2 infection and the incidence of coronavirus disease 2019 (COVID-19) before and during the rollout of COVID-19 vaccines, in a prospective observational cohort study on healthcare workers (HCWs) in a large tertiary hospital in Mainz, Germany. Antibody status was assessed during six visits between September 2020 and February 2022. Self-reported symptoms were collected using a smartphone application; symptomatic HCWs were tested using real-time polymerase chain reaction (RT-PCR) assays for SARS-CoV-2. Rates of virologically confirmed and severe COVID-19 were estimated using the U.S. Food and Drug Administration (FDA) and Coalition for Epidemic Preparedness Innovations (CEPI) case definitions, respectively, and were contrasted to background community transmission and circulating SARS-CoV-2 variants. A total of 3665 HCWs were enrolled (mean follow-up time: 18 months); 97 met the FDA definition of virologically confirmed COVID-19 (incidence rate (IR) 2.3/1000 person-months (PMs), one severe case). Most cases reported ≥2 symptoms, commonly, cough and anosmia or ageusia. Overall, 263 individuals seroconverted (IR 6.6/1000 PMs—2.9 times the estimated IR of COVID-19), indicating many cases were missed, either due to asymptomatic infections or to an atypical presentation of symptoms. A triphasic trend in anti-SARS-CoV-2 seroprevalence and seroconversion was observed, with an initial increase following the rollout of COVID-19 vaccines, a two-fold decline six months later, and finally a six-fold increase by the end of the study when Omicron was the dominant circulating variant. Despite the increase in infection rates at the end of the study due to the circulation of the Omicron variant, the infection and disease rates observed were lower than the published estimates in HCWs and rates in the general local population. Preferential vaccination of HCWs and the strict monitoring program for SARS-CoV-2 infection are the most likely reasons for the successful control of COVID-19 in this high-risk population. 
610 4 |a Food & Drug Administration--FDA 
651 4 |a United States--US 
651 4 |a Germany 
653 |a Enrollments 
653 |a Infections 
653 |a Population 
653 |a COVID-19 vaccines 
653 |a Anosmia 
653 |a Antibodies 
653 |a Severe acute respiratory syndrome coronavirus 2 
653 |a Signs and symptoms 
653 |a Medical personnel 
653 |a Risk factors 
653 |a Seroepidemiology 
653 |a Polymerase chain reaction 
653 |a Serology 
653 |a Viral diseases 
653 |a Immunization 
653 |a Chronic obstructive pulmonary disease 
653 |a Drug dosages 
653 |a Health care 
653 |a Coronaviruses 
653 |a Asthma 
653 |a Cough 
653 |a Pandemics 
653 |a Hypertension 
653 |a Cohort analysis 
653 |a Vaccines 
653 |a Viral infections 
653 |a Real time 
653 |a Seroconversion 
653 |a Disease transmission 
653 |a Local population 
653 |a COVID-19 
653 |a Observational studies 
653 |a Social 
700 1 |a Kowalzik, Frank 
700 1 |a Okasha, Omar 
700 1 |a Engelmann, Tobias 
700 1 |a Schreiner, Daniel 
700 1 |a Jensen, Christian 
700 1 |a Mähringer-Kunz, Aline 
700 1 |a Hartig-Merkel, Wendy 
700 1 |a Thao Mai Phuong Tran 
700 1 |a Oostvogels, Cornelia 
700 1 |a Verstraeten, Thomas 
773 0 |t PLoS One  |g vol. 19, no. 1 (Jan 2024), p. e0294025 
786 0 |d ProQuest  |t Health & Medical Collection 
856 4 1 |3 Citation/Abstract  |u https://www.proquest.com/docview/3069265576/abstract/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch 
856 4 0 |3 Full Text  |u https://www.proquest.com/docview/3069265576/fulltext/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch 
856 4 0 |3 Full Text - PDF  |u https://www.proquest.com/docview/3069265576/fulltextPDF/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch