Pfizer is planning to ask the FDA for approval of a booster dose.
Pfizer Continues To Make Case For COVID-19 Booster Shot
CBS 11 Dallas
Health experts are continuing to look into the effectiveness of a third COVID-19 shot.
Pfizer is planning to ask the FDA for approval of a booster dose.
Health experts are continuing to look into the effectiveness of a third COVID-19 shot.
CBS4's Natalie Brand reports concern is growing across the U.S. as the Delta variant spreads quickly across the country.