50M Americans receive booster shot so far
More than 50 million Americans have now received a COVID-19 booster shot, according to newly updated federal data.
More than half of fully vaccinated people 65 years and older have received a booster.
On average, about 2.03 million total shots are being administered each day, the data shows. More than half -- 1.1 million -- are booster doses.
-ABC News' Arielle Mitropoulos