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Medical exemptions for the COVID-19 vaccine: Severe allergic reactions qualify, but little else
By Megan Cerullo
EXCLUSIVE EU regulator to decide on Pfizer booster dose at the start of October
By Emilio Parodi & Francesco Guarascio
How Can You Get Your Under 5-Year-Old Child Vaccinated?
By Sarah Toy
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Vaccine protection against Covid-19 wanes over time, especially for older people, CDC says
By Jamie Gumbrecht & Maggie Fox
Pfizer Study of Covid-19 Vaccine in Pregnant Women Delayed by Slow Enrollment
By Sarah Toy & Jared S. Hopkins
Pressure Grows on U.S. Companies to Share Covid Vaccine Technology (Published 2021)
By Sheryl Gay Stolberg & Stephanie Nolen
Advisory committee recommends wide swath of Americans be offered Covid-19 vaccine boosters
By Helen Branswell
FDA authorizes booster dose of Pfizer COVID-19 vaccine for people 65 and older, high-risk workers
By Karen Weintraub & Elizabeth Weise
What COVID Booster Shots Can and Can't Do
By Helen Rosner
Covid vaccines are on the way for younger children. Here's why they're different
By Amanda Sealy & Maggie Fox
U.S. FDA clears Pfizer COVID-19 booster dose for older and at-risk Americans
By Ahmed Aboulenein
Moderna vs. Pfizer: Both Knockouts, but One Seems to Have the Edge (Published 2021)
By Apoorva Mandavilli
Coronavirus updates: Covid News: Delta Variant Is Overwhelming Alaska, Site of Worst U.S. Outbreak (Published 2021)
By Apoorva Mandavilli, Benjamin Mueller & Dan Levin
C.D.C. Panel Meeting on Who Gets Pfizer Vaccine Booster
By Apoorva Mandavilli
F.D.A. Authorizes Pfizer Booster Shot for Higher-Risk People
By Sharon LaFraniere & Noah Mercer Weiland