Pfizer says 3 covid shots protect children under 5
Three doses of Pfizer's covid-19 vaccine offer strong protection for children younger than 5, the company announced Monday. Pfizer plans to give the data to U.S. regulators later t…
Three doses of Pfizer's covid-19 vaccine offer strong protection for children younger than 5, the company announced Monday. Pfizer plans to give the data to U.S. regulators later t…