Tshuaj Tiv Thaiv Lub Hom Phiaj Ceev Tshaj Tawm Omicron Subvariants tuaj yeem npaj rau lub caij nplooj zeeg raws li Pfizer, BioNTech tshaj tawm kev sim

Topline Pfizer thiab BioNTech yuav pib sim lawv cov tshuaj tiv thaiv mRNA Covid-19 tshiab tsim los tiv thaiv tus kabmob tshiab BA.4 thiab BA.5 sub-variants ntawm tus kabmob coronavirus tshiab lub hlis no, BioNTech ann ...