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Berry-Flavored H.I.V. Medication Is Ready for Babies

Prisons Are Covid-19 Hotbeds. When Should Inmates Get the Vaccine?

New story in Science and Health from TIME: China Is Poised to Bring Home Moon Samples in its Most Ambitious Lunar Mission Yet

Moderna Applies for Emergency F.D.A. Approval for Its Coronavirus Vaccine

Should Isolation Periods Be Shorter for People With Covid-19?

A.A. to Zoom, Substance Abuse Treatment Goes Online

Dr. Mary Fowkes, 66, Dies; Helped Science Understand the Pandemic

Their Teeth Fell Out. Was It Another Covid-19 Consequence?

Covid Combat Fatigue: ‘I Would Come Home With Tears in My Eyes.’

New story in Science and Health from TIME: For Much of the U.S., Good Weather Will Allow for an Outdoor (and Safer) Thanksgiving

What We Know About AstraZeneca’s Head-Scratching Vaccine Results

New story in Science and Health from TIME: China Launches a Mission to Bring Back Material From the Moon

Can an Algorithm Prevent Suicide?

F.D.A. Grants Emergency Authorization of Antibody Treatment Given to Trump

2 Companies Say Their Vaccines Are 95% Effective. What Does That Mean?

New story in Science and Health from TIME: Exclusive: Pfizer CEO Discusses Submitting the First COVID-19 Vaccine Clearance Request to the FDA

W.H.O. Rejects Antiviral Drug Remdesivir as a Covid Treatment

Hospitals and Health Care Workers Issue a Call to Arms for Wearing Masks

New story in Science and Health from TIME: The Renowned Arecibo Radio Telescope in Puerto Rico Is to Close in a Blow to Science

H.I.V. Death Rates Fell by Half, C.D.C. Says

Hospitals and Health Care Workers Issue a Call to Arms for Wearing Masks

New story in Science and Health from TIME: COVID-19 Vaccines Are Coming. Here’s What to Expect

Danish Study Questions Use of Masks to Protect Wearers

New Pfizer Results: Coronavirus Vaccine Is Safe and 95% Effective

Children in U.S. May Miss 9 Million Vaccine Doses in 2020, Report Warns

Americans Are More Willing to Take a Coronavirus Vaccine, Poll Suggests

The Vaccines Will Probably Work. Making Them Fast Will Be the Hard Part.

Immunity to the Coronavirus May Last Years, New Data Hint

What about other vaccine candidates?

What did these scientists find out?

What do the Pfizer and Moderna reports mean together?

Do the new vaccine trial results mean the end to the pandemic?

Who participated in the vaccine trial?

What happens next?

What about the vaccinated people who got sick?

How long will the coronavirus vaccines last?

New story in Science and Health from TIME: The SpaceX Capsule With Four Astronauts On Board Has Reached the International Space Station

How do Moderna’s early results compare with Pfizer’s?

Is Moderna in Operation Warp Speed?

What did these scientists find out?

Do the new vaccine trial results mean the end to the pandemic?

Is it safe to go to a holiday get-together?

How do Moderna’s early results compare with Pfizer’s?

Who participated in the vaccine trial?

What happens next?

What do the Pfizer and Moderna reports mean together?

What about the vaccinated people who got sick?

What about other vaccine candidates?

How long will the coronavirus vaccines last?

Is Moderna in Operation Warp Speed?