Lumley SF, Constantinides B, Sanderson N, Rodger G, et al. Epidemiological data and genome sequencing reveals that nosocomial transmission of SARS-CoV-2 is underestimated and mostly mediated by a small number of highly infectious individuals. J Infect 2021 Jul 28. pii: S0163-4453(21)00377.
PMID: 34332019