Voor In 't Holt AF, Haanappel CP, Rahamat-Langendoen J, Molenkamp R, et al. Admissions to a large tertiary care hospital and Omicron BA.1 and BA.2 SARS-CoV-2
PCR positivity: primary, contributing, or incidental COVID-19. Int J Infect Dis 2022 Jul 13. pii: S1201-9712(22)00424.
PMID: 35842214