Diseases, Conditions, Syndromes

COVID booster cuts death rate by 90%, Israeli study finds

(HealthDay)—Booster doses of Pfizer's coronavirus vaccine set recipients up to effectively withstand the ravages of both the Delta and Omicron variants, a group of new studies suggest.

Immunology

What happens to our immune systems when we get a booster?

Questions about COVID-19 vaccine boosters—like who is eligible and how to choose one—have dominated scientific discussions, news headlines, and dinner-table conversations recently, but the practice of giving our immune ...

Vaccination

Boosters for all adults in US closer with panel meeting set

An influential U.S. advisory panel will discuss expanding eligibility for COVID-19 vaccine booster shots to all adults Friday, a move that could make the shots available nationwide as early as this weekend.

Vaccination

How does mixing and matching COVID-19 boosters work?

On Wednesday, the U.S. Food and Drug Administration authorized Moderna and Johnson & Johnson booster shots and also said Americans who are fully vaccinated against COVID-19 can receive a booster shot of a vaccine that is ...

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