The BNT162b2 KP.2 COVID-19 vaccine had protective effects against emergency ED or urgent care encounters and hospital admissions.

Vaccine effectiveness (VE) against COVID-related hospitalization was 40% (95% confidence interval [CI], 27% to 51%) through ...

In recent weeks, a new COVID-19 variant called KP.3 has gained dominance in the United States. KP.3 is part of a family of mutated strains nicknamed "FLiRT," which are driving an increasing proportion ...

Sustained protection through 6 months, but effectiveness slipped as newer strains emerged ...

Researchers discovered another potential side effect that isn't getting nearly as much attention/ What is it and why is it important? Here's what you need to know. 🩺 SIGN UP for Parade’s health ...

One panelist accused the F.D.A. of withholding data on potential harms. The advisers also are reviewing research on vaccines ...

The new "FLiRT" COVID-19 variants, including KP.2 and KP.3, are on the rise in the US. Experts discuss symptoms, transmission and vaccines. In recent weeks, a new COVID-19 variant called KP.3 has ...