President Joe Biden on Oct. 25 received a dose of a new COVID-19 booster and encouraged other Americans to get one of the unproven shots.
Biden got a dose of a bivalent booster, which targets the Omicron subvariants BA.4 and BA.5.
Biden got a dose of a bivalent booster, which targets the Omicron subvariants BA.4 and BA.5.