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F.D.A. Moves to Ban Sales of Menthol Cigarettes

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

More than half of Americans have been infected with the coronavirus at least once, the C.D.C. says.

Most Americans have been infected with the coronavirus at least once, the C.D.C. says.

Pulling Back the Curtain on Race and Health Care

The Drive to Vaccinate the World Against Covid Is Losing Steam

Mask Ruling Underscores Deep Split in Attitudes

Exploring the Health Effects of Ageism

The Drive to Vaccinate the World Against Covid Is Losing Steam

Tucker Carlson Has a Cure for Declining Virility

India Is Stalling the W.H.O.’s Efforts to Make Global Covid Death Toll Public

A New Covid Breath Test Holds Promise, but Wide Use May Still Be Far Off

Many U.S. virus cases go uncounted. Are there better ways to track the pandemic?

A new drug slashes deaths among patients with severe Covid, the drug’s developer claims.

‘Transient Ischemic Attacks,’ Which Can Be Serious, May Need a New Name

Why a Coronavirus-Flu ‘Twindemic’ May Never Happen

Medicare Officially Limits Coverage of Aduhelm to Patients in Clinical Trials

Inside a Campaign to Get Medicare Coverage for a New Alzheimer’s Drug

The pandemic has an outsize effect on Americans with diabetes.

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