Akinbami LJ, Petersen LR, Sami S, Vuong N, et al. COVID-19 symptoms and SARS-CoV-2 antibody positivity in a large survey of first responders and healthcare personnel, May-July 2020. Clin Infect Dis 2021 Jan 30. pii: 6124470. doi: 10.1093.
PMID: 33515250