Pfizer COVID shots appear 73% effective in children under 5
Pfizer's COVID-19 vaccine was 73% effective in protecting children younger than 5 as omicron spread in the spring, the company announced Tuesday. |!| Kailua
Pfizer's COVID-19 vaccine was 73% effective in protecting children younger than 5 as omicron spread in the spring, the company announced Tuesday. |!| Kailua