Itamochi M, Yazawa S, Inasaki N, Saga Y, et al. Neutralization of Omicron subvariants BA.1 and BA.5 by a booster dose of COVID-19 mRNA vaccine in a Japanese nursing home cohort. Vaccine 2023 Feb 27:S0264-410X(23)00222-0. doi: 10.1016/j.vaccine.2023.
PMID: 36858871