Perceived versus proven SARS-CoV-2-specific immune responses in health-care professionals
- PMID: 32524515
- PMCID: PMC7286418
- DOI: 10.1007/s15010-020-01461-0
Perceived versus proven SARS-CoV-2-specific immune responses in health-care professionals
Abstract
There have been concerns about high rates of thus far undiagnosed SARS-CoV-2 infections in the health-care system. The COVID-19 Contact (CoCo) Study follows 217 frontline health-care professionals at a university hospital with weekly SARS-CoV-2-specific serology (IgA/IgG). Study participants estimated their personal likelihood of having had a SARS-CoV-2 infection with a mean of 21% [median 15%, interquartile range (IQR) 5-30%]. In contrast, anti-SARS-CoV-2 IgG prevalence was about 1-2% at baseline. Regular anti-SARS-CoV-2 IgG testing of health-care professionals may aid in directing resources for protective measures and care of COVID-19 patients in the long run.
Keywords: COVID-19; Diagnostics; ELISA; Health-care professionals; Health-care worker; IgA; IgG; Immunoglobulin; SARS-CoV-2; Seroprevalence.
Conflict of interest statement
AJ reports grants and personal fees from Novartis, grants and personal fees from Abbvie, grants and personal fees from Gilead, and personal fees from Roche outside the submitted work. TW reports grants and personal fees from Novartis, grants and personal fees from Abbvie, personal fees from Gilead, personal fees from Chugai, personal fees from Sanofi-Aventis, and non-financial support from Aesku Diagnostics, outside the submitted work. DE reports grants and personal fees from Novartis, grants and personal fees from Abbvie, grants and personal fees from Gilead, personal fees from Sanofi Aventis, and personal fees from GSK, outside the submitted work. GB reports grants and personal fees from Gilead, and personal fees from ViiV Healthcare, MSD, and Janssen outside the submitted work. Other authors have nothing to disclose.
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