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The Coronavirus Infected Hundreds at a Georgia Summer Camp

Covid-19 Tests Are in Short Supply. Should You Still Get One?

Covid-19 Tests Are in Short Supply. Should You Still Get One?

Sanofi and GlaxoSmithKline Snag Biggest Coronavirus Vaccine Deal Yet

Contact Tracing Is Failing in Many States. Here’s Why.

New story in Science and Health from TIME: NASA’s Perseverance Rover Embarks On the Agency’s Most Ambitious Mars Mission Yet

Children May Carry Coronavirus at High Levels, Study Finds

New story in Science and Health from TIME: NASA Launches Mars Rover to Look For Signs of Ancient Life

Johnson & Johnson’s Coronavirus Vaccine Protects Monkeys, Study Finds

A Covid Patient Goes Home After a Rare Double Lung Transplant

Old Vaccines May Stop the Coronavirus, Study Hints. Scientists Are Skeptical.

School Closures in the Spring Saved Lives, Study Asserts

Moderna Vaccine Test in Monkeys Shows Promise

The Coronavirus Could Dodge Some Treatments, Study Suggests

‘Amazing, Isn’t It?’ Long Sought Blood Test for Alzheimer’s in Reach

Masks May Reduce Viral Dose, Some Experts Say

When, why and how to wear a mask during this pandemic, according to the experts

States with stricter covid-19 restrictions watch lax neighbors warily, knowing the virus does not respect borders

Asked and answered: What readers want to know about coronavirus

Your Coronavirus Antibodies Are Disappearing. Should You Care?

New story in Science and Health from TIME: U.S. Eyes Building Nuclear Power Plants on the Moon, Mars

C.D.C. Calls on Schools to Reopen, Downplaying Health Risks

FEMA Sends Faulty Protective Gear to Nursing Homes Battling Virus

New story in Science and Health from TIME: What Modern Sustainability Could Learn From a 200-Year-Old American Tradition

New story in Science and Health from TIME: Wildfires Rage in Arctic Circle and Sea Ice Melts Amid Siberian Heatwave

Who Gets the Covid-19 Vaccine First? Here’s One Idea

‘It’s Like Groundhog Day’: Coronavirus Testing Labs Again Lack Key Supplies

New story in Science and Health from TIME: China Launches an Ambitious Attempt to Land a Rover on Mars

Covid-19 Patients No Longer Need Tests to End Isolation

Gut Microbes Might Keep Malnourished Children From Growing

States Must Standardize Coronavirus Data, Former C.D.C. Director Says

Some Vaccine Makers Say They Plan to Profit From Coronavirus Vaccine

Patient, Can You Spare a Dime?

Coronavirus Infections Much Higher Than Reported Cases in Parts of U.S., Study Shows

New story in Science and Health from TIME: NASA Astronauts Take One Last Spacewalk Before End of SpaceX’s First Crew Flight

New story in Science and Health from TIME: Climate Change Pushes Polar Bears Towards Extinction, Study Finds

About 82 percent of those 50 and older complain of ageism, research says

African American children are more likely to die after surgery than their white peers, researchers find

Testing Backlogs May Cloud the True Spread of the Coronavirus

New story in Science and Health from TIME: Japan Rocket Carrying a United Arab Emirates Mars Spacecraft Readies for Historic Launch

From swabs to antibodies: How to understand your coronavirus test results

During Coronavirus Lockdowns, Some Doctors Wondered: Where Are the Preemies?

A Covid-19 Lesson: Some Seriously Ill Patients Can Be Treated at Home

You’re a Senior. How Do You Calculate Coronavirus Risk Right Now?

Disappearance of covid-19 data from CDC website spurs outcry

New story in Science and Health from TIME: How a New Effort to Trace Emissions, Led by Al Gore, Could Reshape Climate Talks

Top health official violated federal contracting rules, HHS inspector general finds

How time reshaped WHO’s noble, ambitious goals in 1978 for global heath care

The First Coronavirus Vaccine Tested in Humans Shows Early Promise

2 Stylists Had Coronavirus, but Wore Masks. 139 Clients Didn’t Fall Sick.