All coverage
FDA adds strict safety warnings on arthritis drugs from Pfizer, AbbVie and Lilly
By Manojna Maddipatla, Anil Dsilva & Krishna Chandra Eluri
Pfizer could have vaccine data for kids under age 5 by year-end, CEO says
By Berkeley Lovelace & Berkeley Lovelace Jr.
Moderna vaccine slightly more effective than Pfizer
By Nicole Giese Rura
Moderna exec says company could have Omicron booster ready in March
By Michael Erman & Julie Steenhuysen