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Moderna vaccine slightly more effective than Pfizer vaccine in preventing COVID-19 infection, hospitalization, and death
New Harvard study declares winner between Pfizer and Moderna vaccines
By Alejandra O'connell
FDA adds strict safety warnings on arthritis drugs from Pfizer, AbbVie and Lilly
By Manojna Maddipatla & Anil Dsilva
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COVID-19 booster side effects: What to expect
By Sarah Jacoby
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