Vaccination

States race to use COVID-19 vaccines before they expire

Hundreds of thousands of COVID-19 vaccine doses have been saved from the trash after U.S. regulators extended their expiration date for a second time, part of a nationwide effort to salvage expiring shots to battle the nation's ...

Diseases, Conditions, Syndromes

Pfizer says third shot of vaccine boosts COVID protection

New data show that protection from both doses of the Pfizer COVID-19 vaccine decreases slightly over time, but that a third dose significantly boosts levels of antibodies against several variants of the virus, including the ...

Diseases, Conditions, Syndromes

New CDC guidelines set off rush to reimpose mask mandates

New guidance from the federal government set off a cascade of mask rules across the nation Wednesday as cities, states, schools and businesses raced to restore mandates and others pushed back against the guidelines at a time ...

Diseases, Conditions, Syndromes

As variant rises, vaccine plan targets 'movable middle'

Thrown off-stride to reach its COVID-19 vaccination goal, the Biden administration is sending A-list officials across the country, devising ads for niche markets and enlisting community organizers to persuade unvaccinated ...

Diseases, Conditions, Syndromes

COVID testing's value shrinks as vaccines beat back virus

Federal health officials' new, more relaxed recommendations on masks have all but eclipsed another major change in guidance from the government: Fully vaccinated Americans can largely skip getting tested for the coronavirus.

Diseases, Conditions, Syndromes

Germany lifts more restrictions, Merkel urges caution

Chancellor Angela Merkel urged Germans to behave responsibly as large parts of the country relaxed more pandemic restrictions Friday at the start of the Pentecost weekend, telling them that caution is needed to avoid further ...

Diseases, Conditions, Syndromes

What do the new CDC mask guidelines mean?

If you're fully vaccinated, federal health officials now say that you can take your mask off in most places—even indoors.

Vaccination

EXPLAINER: How activists target CDC vaccine tracking system

Once, getting vaccinated was all but routine. But since the heightened public awareness around the new COVID-19 vaccines, it's a different story. Now, it means check-ins with family and friends about possible arm soreness ...

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