US: Pfizer COVID-19 appears effective for kids under 5
WASHINGTON (AP) - Federal health officials said Sunday that kid-sized doses of Pfizer's COVID-19 vaccines appear to be safe and effective for kids under 5, a key step toward a long…
WASHINGTON (AP) - Federal health officials said Sunday that kid-sized doses of Pfizer's COVID-19 vaccines appear to be safe and effective for kids under 5, a key step toward a long…