Weinberger T, Steffen J, Osterman A, Mueller TT, et al. Prospective Longitudinal Serosurvey of Health Care Workers in the First Wave of
the SARS-CoV-2 Pandemic in a Quaternary Care Hospital in Munich, Germany. Clin Infect Dis 2021 Jan 3. pii: 6060065. doi: 10.1093/cid/ciaa1935.
PMID: 33388756