Pfizer to seek U.S. regulators’ OK for third COVID-19 vaccine dose, says it could boost protection against delta variant

Pfizer to seek U.S. regulators’ OK for third COVID-19 vaccine dose, says it could boost protection against delta variant

July 8, 2021, 9:01 PM
1 min read

WASHINGTON -- Pfizer to seek U.S. regulators’ OK for third COVID-19 vaccine dose, says it could boost protection against delta variant.