Perez-Garcia F, Perez-Zapata A, Arcos N, De la Mata M, et al. SARS-CoV-2 infection among hospital workers of one of the most severely affected institutions in Madrid, Spain: a surveillance cross-sectional study. Infect Control Hosp Epidemiol 2020 Oct 29:1-28. doi: 10.1017/ice.2020.1303.
PMID: 33118904