The same mRNA technology used in COVID-19 vaccines could help treat cancer

China's about to administer its billionth coronavirus shot. Yes, you read that right

100 Million Vaccine Doses Held Up Over Contamination Concerns, Firm Reveals

Kevin McCarthy seeks to vote to lift mask rules for the House floor as Pelosi has said rules won't change until all lawmakers are vaccinated

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US to share 80 million vaccine doses with the world; US infections down in all 50 states: Latest COVID-19 updates

New mask rules trust Americans will be honest about vaccine status. Experts say they'll lie.

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What Would It Take to Vaccinate the World Against Covid?

India’s COVID-19 afflicted left ‘to fend for themselves,’ overwhelmed families say

The Seychelles is 60% vaccinated, but still infections are rising. That's not as bad as it sounds

What Does the New Mask Guidance Really Mean?

CDC lifts indoor mask guidelines for fully vaccinated people. What does it actually mean?

Vaccinated Americans now may go without masks in most places, the C.D.C. said.

New CDC guidelines say vaccinated Americans can now ditch the masks, with a few exceptions: Live COVID-19 updates

'Fast and efficient': Biden urges vaccinations for kids 12-15 after OK from CDC panel; US deaths lowest in 10 months: Latest COVID-19 news

CDC panel recommends Pfizer's COVID-19 vaccine for kids as young as 12

A Misleading C.D.C. Number

C.D.C. Chief Defends Pandemic Guidance as Impatience Mounts

Covid Desperation Is Spreading Across India