Diseases, Conditions, Syndromes

US rules out summer COVID boosters to focus on fall campaign

U.S. regulators said Friday they are no longer considering authorizing a second COVID-19 booster shot for all adults under 50 this summer, focusing instead on revamped vaccines for the fall that will target the newest viral ...

Vaccination

Swiss sign new Pfizer vaccine deal, eyeing booster shots

Switzerland announced Wednesday that it has signed a new contract with Pfizer for seven million COVID vaccine doses next year and in 2023, with an eye towards providing future booster shots.