Pfizer announces COVID-19 vaccine 100% effective in 12- to 15-year-olds
BioNTech-Pfizer said Wednesday their vaccine is 100% effective in preventing COVID-19 in 12- to 15-year-olds. |!| Uniontown
BioNTech-Pfizer said Wednesday their vaccine is 100% effective in preventing COVID-19 in 12- to 15-year-olds. |!| Uniontown