Bivalent COVID-19 mRNA booster vaccination (BA.1 or BA.4/BA.5) increases neutralization of matched Omicron variants https://www.medrxiv.org/content/10.1101/2023.04.20.23288813
Bivalent COVID-19 mRNA booster vaccination (BA.1 or BA.4/BA.5) increases neutralization of matched Omicron variants https://www.medrxiv.org/content/10.1101/2023.04.20.23288813