The latest updated Covid-19 vaccines are tailored for the SARS-CoV-2 Omicron XBB.1.5 strain that is circulating widely around the world now. — TNS
The US Food and Drug Administration (FDA) recently approved two updated Covid-19 vaccines.
The new mRNA (messenger ribonucleic acid) vaccines from Moderna and Pfizer/BioNTech are formulated to better target SARS-CoV-2 viral variants that are currently circulating and will replace outdated vaccines.
