The fourth dose of mRNA COVID-19 vaccine following 12 different three-dose regimens: Safety and immunogenicity to Omicron BA.4/BA.5 https://www.medrxiv.org/content/10.1101/2023.01.19.23284761
The fourth dose of mRNA COVID-19 vaccine following 12 different three-dose regimens: Safety and immunogenicity to Omicron BA.4/BA.5 https://www.medrxiv.org/content/10.1101/2023.01.19.23284761