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So you got the J&J vaccine? Here's what you should know about the delta variant, boosters, and more
By Bridget Balch
The CDC Only Tracks a Fraction of Breakthrough COVID-19 Infections, Even as Cases Surge
By Jenny Deam & Bianca Fortis
Pfizer Losing Efficacy Faster Against Delta Variant
By Katharina Buchholz
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Troubling CDC vaccine data convinced Biden team to back booster shots
By Sarah Owermohle, Adam Cancryn & Erin Banco
Pfizer Covid-19 Vaccine Expected to Get Full FDA Approval Next Week
By Stephanie Armour & Jared S. Hopkins
Immunocompromised people make up nearly half of COVID-19 breakthrough hospitalizations – an extra vaccine dose ...
By Jonathan L Golob
Israel, Once the Model for Beating Covid, Faces New Surge of Infections (Published 2021)
By Isabel Kershner
As Covid-19 hospitalizations increase, a greater number of Americans are deciding to get vaccinated
By Travis Caldwell & Dakin Andone
Israeli doctors find severe COVID-19 breakthrough cases mostly in older, sicker patients
By maayan lubell
U.S. to recommend COVID-19 vaccine booster shots 8 months after second dose
By Fin Gomez, Weijia Jiang & Arden Farhi
Scientists blast U.S. push for Covid vaccine booster shots as premature, say data isn't compelling
By Berkeley Lovelace & Berkeley Lovelace Jr.
Pfizer, Moderna booster shots planned for September; Joe Biden ties nursing home funding to workers' vaccinations ...
By N'dea Yancey-Bragg
Why eight months? What's behind the timing of the Covid booster shot
By Erika Edwards & Elizabeth Chuck
Are vaccines becoming less effective at preventing Covid infection?
By Hannah Kuchler & John Burn-Murdoch
U.S. to begin offering COVID-19 vaccine booster shots in September
By Ahmed Aboulenein & Carl O'Donnell
U.S. to begin offering COVID-19 vaccine booster shots in September
By Ahmed Aboulenein & Carl O'Donnell
Full approval for Pfizer Covid vaccine could come from FDA on Monday, report says
By Robert Towey & Samantha Subin
CDC warns of a "significant decline" in vaccine effectiveness for some, prompting booster dose decision
By Alexander Tin
9 Questions And Answers About Booster Shots : Shots - Health News
By Pien Huang, Carmel Wroth & Sydney Lupkin
In a Handful of States, Early Data Hint at a Rise in Breakthrough Infections (Published 2021)
By Apoorva Mandavilli
U.S. Preparing Plan to Offer Vaccine Boosters, Perhaps By Fall
By Sharon LaFraniere