Who should get the updated coronavirus vaccine booster now—and who should wait?

Is the Covid-19 vaccine going to become an annual shot, like the flu vaccine? Speaking Tuesday, head of the Biden administration’s Covid-19 Response Team, Dr. Ashish Jha, suggested so, telling…

Japan Bounces Back to Economic Growth as Coronavirus Fears Recede

TOKYO — Restaurants are full. Malls are teeming. People are traveling. And Japan’s economy has begun to grow again as consumers, fatigued from more than two years of the pandemic,…

People Exposed to Coronavirus May Need to Take as Many as Three At-Home Tests, F.D.A. Says

The U.S. Food and Drug Administration issued a new recommendation on Thursday that asymptomatic people who are using coronavirus antigen tests take at least three tests, each spaced 48 hours…

What precautions should families take against coronavirus as kids return to school?

CNN  —  Many children are returning to schools while coronavirus case numbers are high in most of the United States. Parents and caregivers have a lot of questions about what…

Biden Learns to Live With the Risks of the Coronavirus

WASHINGTON — One after another, President Biden hugged and kissed them. At a packed ceremony in the East Room of the White House on July 7, Mr. Biden bestowed the…

Virologists try to keep up with faster coronavirus evolution.

The rapid evolution of the coronavirus into an alphabet soup of subvariants presents a vexing challenge to health officials: They must make far-reaching policy decisions based on little biological certainty…

How Often Can You Be Infected With the Coronavirus?

A virus that shows no signs of disappearing, variants that are adept at dodging the body’s defenses, and waves of infections two, maybe three times a year — this may…

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

Sixty percent of Americans, including 75 percent of children, had been infected with the coronavirus by February, federal health officials reported on Tuesday — another remarkable milestone in a pandemic…

F.D.A. Allows Second Coronavirus Boosters for Everyone 50 and Older

WASHINGTON — Federal regulators authorized second booster shots of the Pfizer-BioNTech and Moderna coronavirus vaccines on Tuesday for everyone 50 and older, describing the move as an effort to bolster…

Moderna to Seek Authorization of Its Coronavirus Vaccine for Young Children

WASHINGTON — Moderna said on Wednesday that it would seek emergency authorization of its coronavirus vaccine for children younger than 6, after interim results from its clinical trial showed that…