Pfizer CEO All but Rules Out Covid-19 Vaccine Before Election Day

Pfizer’s C.E.O. said on Tuesday that much-anticipated results from its vaccine trial would not be coming…

Why False Positives Matter, Too

The ever-increasing availability of virtual platforms might make that transition easy for some, Dr. Mazer said.…

Experts Tell F.D.A. It Should Gather More Safety Data on Covid-19 Vaccines

Vaccine experts peppered officials at the Food and Drug Administration with a range of questions on…

At 12, She’s a Covid ‘Long Hauler’

Chris recently consulted with Dr. Peter Rowe, a professor of pediatrics at Johns Hopkins who specializes…

Why Are TikTok Teens Listening to an Album About Dementia?

Among them is Owen Amble, 16, from Spokane, Wash. He was drawn to “Everywhere at the…

Covid-19 Deaths: The Price for Not Wearing Masks is Perhaps 130,000 Lives

Universal mask use could prevent nearly 130,000 deaths from Covid-19, the illness caused by the coronavirus,…

James Redford, Documentarian and Environmentalist, Dies at 58

After two liver transplants, he founded an institute to increase awareness. He and his father, Robert…

The final presidential debate

President Donald Trump heeded the pleas of his advisers when he took the debate stage Thursday…

Mask Mandate? In a Montana Town, It ‘Puts Us at Odds With Customers’

HAMILTON, Mont. — Outside River Rising Bakery sits an older gentleman, his face uncovered. He’s here…

Schoolchildren Seem Unlikely to Fuel Coronavirus Surges, Scientists Say

Researchers once feared that school reopenings might spread the virus through communities. But so far there…