HomeObesity may weaken vaccine protection; unvaccinated Omicron patients face risk from variantsFILE PHOTO: COVID-19 booster vaccine clinic in Lansdale

FILE PHOTO: COVID-19 booster vaccine clinic in Lansdale

FILE PHOTO: Syringes used to administer doses of the Pfizer-BioNTech vaccine against the coronavirus disease (COVID-19) are pictured in a sharps container at a booster clinic for 12 to 17-year-olds in Lansdale, Pennsylvania, U.S., January 9, 2022. REUTERS/Hannah Beier