Pfizer vaccine significantly less effective in kids 5-11: study
(The Hill) -- The Pfizer coronavirus vaccine is significantly less effective in children aged 5-11 than it is in older kids, a new study finds, raising questions about the correct…
(The Hill) -- The Pfizer coronavirus vaccine is significantly less effective in children aged 5-11 than it is in older kids, a new study finds, raising questions about the correct…