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Pfizer is testing a third Covid vaccine dose in young kids, delaying trial results
By Berkeley Lovelace & Berkeley Lovelace Jr.
US panel recommends J&J shots be sidelined after clot deaths
CDC recommends Pfizer, Moderna vaccines over Johnson & Johnson, citing rare blood-clot issue
By Lena Sun & Frances Stead Sellers
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Pfizer to test a third dose of coronavirus vaccine in young children after two-dose regimen falls short
By Carolyn Johnson
The tragedy of Johnson & Johnson's Covid vaccine
By Matthew Herper
Heart inflammation cases emerge among 5- to 11-year-old kids after COVID-19 shot: CDC
By Emmett Jones
CDC narrows use of J&J vaccine due to concerns about rare blood clots
By Scott Hensley & Vanessa Romo
CDC recommends Pfizer, Moderna vaccines over J&J shots for adults due to rare blood clot cases
By Sevanny Campos & Spencer Kimball
CDC recommends people not get J&J vaccine if Pfizer, Moderna are available
By Berkeley Lovelace, Sara G. Miller & Berkeley Lovelace Jr.
Pfizer's child-sized vaccine fails to produce expected immunity in younger kids; company adds third dose to trials
By Virginia Langmaid & Maggie Fox
Pfizer says pandemic could extend through 2023, studies three-dose vaccine course for children
By Clara-Læïla Laudette & Conor Humphries
Pfizer says pandemic could extend to 2024, vaccine data for younger children delayed
By Michael Erman & Mrinalika Roy