Pfizer COVID shots appear 73% effective in children under 5
Pfizer's says its COVID-19 vaccine was 73% effective in protecting children younger than 5 as omicron spread in the spring. Vaccinations for babies, toddlers and preschoolers opene…
Pfizer's says its COVID-19 vaccine was 73% effective in protecting children younger than 5 as omicron spread in the spring. Vaccinations for babies, toddlers and preschoolers opene…