Pfizer COVID-19 Vaccines 73 Percent Protective in Under 5s
WEDNESDAY, Aug. 24, 2022 (HealthDay News) -- The Pfizer modified COVID-19 vaccine for use in children younger than 5 years was 73 percent effective in shielding them from infection…
WEDNESDAY, Aug. 24, 2022 (HealthDay News) -- The Pfizer modified COVID-19 vaccine for use in children younger than 5 years was 73 percent effective in shielding them from infection…