National Guard members take on new roles at nursing homes.

NEW HOPE, Minn. — Pfc. Shina Vang and his fellow soldiers in the Minnesota National Guard have had an exceptionally busy year. They helped process Afghan refugees fleeing Kabul for…

‘Magic’ Weight-Loss Pills and Covid Cures: Dr. Oz Under the Microscope

Dr. Oz admitted to the senators that his claims often “don’t have the scientific muster to present as fact.” A study he had cited about green-coffee bean extract was later…

Beneath a Covid Vaccine Debacle, 30 Years of Government Culpability

At first, it appeared that the agency had attracted two large pharmaceutical firms — Novartis and GlaxoSmithKline — but their involvement proved temporary. The companies already had contracts with the…

Booster Protection Wanes Against Omicron Within 10 Weeks, Data Suggests

New data from Britain suggests that booster protection against symptomatic Covid caused by the Omicron variant wanes within 10 weeks. There have not yet been enough severe cases of Omicron…

Many African Countries Toughen Covid Restrictions as Fourth Wave Spreads

NAIROBI, Kenya — In just the past three weeks, the percentage of Kenyans who tested positive for the coronavirus jumped from less than 1 percent to more than 30 percent…

How to Travel Responsibly During the Holidays Amid Omicron Wave

Taylor Allen wanted to be a responsible traveler, but she was finding it difficult. Late last week at least seven people Ms. Allen knew in Brooklyn posted on Instagram that…

James F. Fries, Who Studied the Good Life and How to Live It, Dies at 83

“Anguish arising from the inescapability of personal choice and the inability to avoid personal consequences may become a problem for many,” he wrote in a 2011 paper. “For others, exhilaration…

Family Stress Intensifies as Omicron Invades the Holidays

And if the family starts discussing divisive topics over the cranberry sauce? Merely point out that people at the table have different viewpoints, she said. Other simple steps can ease…

C.D.C. Shortens Covid Isolation Period for Health Care Workers

Given that health care workers are tested frequently, are largely vaccinated, and must be masked, “the chances of causing a significant amount of infections seem very low” if isolation periods…

Merck’s Covid Pill Is Authorized by F.D.A. for High-Risk Adults

Dr. Dean Li, a Merck executive, said on Thursday that preliminary laboratory studies suggested that the drug was equally effective against Omicron as it was against earlier versions of the…