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‘Frustration and Stress’: State Officials Fault Rollout of Monkeypox Vaccine

Why Monkeypox Vaccine Shortage May Threaten the Immunocompromised

Health Secretary Says States ‘Need to Work With Us’ on Fighting Monkeypox

Few Parents Intend to Have Very Young Children Vaccinated Against Covid

W.H.O. Declares Monkeypox Spread a Global Health Emergency

C.D.C. advisers are meeting to discuss Novavax’s Covid vaccine.

Britain Declares National Incident After Poliovirus Found in London

The C.D.C. recommends vaccinations of young children.

F.D.A. advisers will weigh in on Covid shots by Novavax, a latecomer in the vaccine race.

21 Americans Infected With Monkeypox, C.D.C. Reports

Since You’re Already Getting a Flu Shot, Why Not One for Covid, Too?

The Coronavirus Has Infected More Than Half of Americans, the C.D.C. Reports

The Drive to Vaccinate the World Against Covid Is Losing Steam

The Drive to Vaccinate the World Against Covid Is Losing Steam

U.S. nursing home deaths appear to be at pandemic lows.

Covid Vaccines Did Not Protect Adolescents as Effectively During the Omicron Surge

Pfizer and Moderna boosters help protect Americans who received J.&J. shots, the C.D.C. reports.

Hong Kong’s high death rate shows the importance of vaccinating the elderly.

Vaccine protection against moderate illness waned among adolescents, new C.D.C. data suggest.