What to Know of Covid-19 Antibody Drugs: Cost, Availability and More

Two new antibody treatments have shown promise in keeping high-risk Covid-19 patients out of the hospital.…

New Year’s Eve at Home

Along with so many things, the pandemic has dashed many of go-to New Year’s traditions —…

Dad Got the Vaccine, but No One Else Did — Yet

Vaccinated health workers must navigate another new normal: households in which not all family members are…

Turkey and Brazil Say Chinese Vaccine Effective, With Sparse Supporting Data

Turkish officials announced Thursday that a vaccine from the Chinese company Sinovac has an efficacy rate…

US Will Require UK Travelers to Have a Negative Coronavirus Test

People traveling immediately after the holiday may face uncertainty: Many private testing clinics and labs are…

U.S. to Require Negative Covid-19 Test for All Travelers From U.K.

The United States will require all airline passengers arriving from Britain to test negative for the…

Pulse Oximeters May Be Less Accurate for Black People. Should You Use One?

Home pulse oximeters have been the personal tech gadget of 2020 and a reassuring way for…

Secret to Longevity? 4-Minute Bursts of Intense Exercise May Help

Another group began exercising moderately for longer sessions of 50 minutes twice a week. And the…

Pfizer Nears Deal to Provide More Vaccine Doses

The Trump administration and Pfizer are close to a deal under which the pharmaceutical company would…

‘Each Day Is Critical’: South Korea’s 11th-Hour Battle with Covid

SEOUL, South Korea — In several provinces across South Korea, there are no I.C.U. beds available…