Niyomnaitham S, Jongkaewwattana A, Meesing A, Pinpathomrat N, et al. Immunogenicity of a fractional or full third dose of AZD1222 vaccine or BNT162b2
mRNA vaccine after two doses of CoronaVac vaccines against Delta and Omicron
variants. Int J Infect Dis 2023 Jan 19:S1201-9712(23)00021.
PMID: 36682680