Serological testing for SARS-CoV-2 antibodies of employees shows low transmission working in a cancer center. - Meyerhardt JA; Yue H; Nowak RP; Brais L; Ma C; Johnson S; Harrod J; Burman SSR; Hendrickson LM; Fischinger S; Alter G; Hahn W; et al. (PloS one, 2022)