@abc.net.au 3 years ago Pfizer testing third vaccine dose in kids under five, says two doses not strong enough
@rt.com 4 years ago Pfizer Covid-19 vaccine 100% effective in 12-15-yo children, company announces
@aljazeera.com 3 years ago Pfizer seeks US COVID vaccine approval for children aged 5 to 11
@axios.com 4 years ago Pfizer says COVID vaccine was 100% effective in trial of children ages 12 to 15
@axios.com 3 years ago Pfizer coronavirus vaccine safe, effective in children, company says
@rt.com 4 years ago Canada approves Pfizer vaccine for children aged 12-15 after trial shows 100% efficacy in young teenagers