Mimura W, Ishiguro C, Maeda M, Murata F, et al. Effectiveness of mRNA vaccines against SARS-CoV-2 infections during the periods of Delta and Omicron variant predominance in Japan: The VENUS Study. Int J Infect Dis 2022 Oct 8. pii: S1201-9712(22)00539.
PMID: 36220547