Pfizer and BioNTech Receive U.S. FDA Approval & Authorization for Omicron KP.2-adapted COVID-19 Vaccine The updated COVID-19 vaccine is tailored to the KP.2 strain of the SARS-CoV-2 Omicron JN.1 lineage and is recommended for individuals 6 months of age and olderThe KP.2 adaptation is based on FDA...