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Citing New Data, Pfizer Outlines Case for Booster Shots

The C.D.C. now says fully vaccinated people should get tested after exposure even if they don’t show symptoms.

Pfizer-BioNTech’s vaccine gets slightly weaker over time, company data shows, but remains strong in preventing severe disease.

Women Surgeons at Greater Risk of Pregnancy Loss, Study Finds

New story in Science and Health from TIME: We’re in a Water Crisis. We Need to Act Like It

Purdue Pharma’s Creditors Overwhelmingly Endorse Bankruptcy Plan

The C.D.C. will recommend that some vaccinated people wear masks indoors again.