Vaccination

EU regulator clears tweaked versions of COVID vaccines

The European Medicines Agency has recommended the authorization of two coronavirus vaccines made by Pfizer-BioNTech and Moderna Inc., tweaked to include protection against an early version of the omicron variant.

Vaccination

Moderna announces step toward updating COVID shots for fall

Moderna hopes to offer updated COVID-19 boosters in the fall that combine its original vaccine with protection against the omicron variant. On Tuesday, it reported a preliminary hint that such an approach might work.

page 2 from 7