
This COVID Winter May Cause Fewer Deaths yet Still Bring a Surge
This year is unlikely to see as many severe cases as last year, but relaxed restrictions and a patchwork of vaccination could still mean trouble, experts warn

This COVID Winter May Cause Fewer Deaths yet Still Bring a Surge
This year is unlikely to see as many severe cases as last year, but relaxed restrictions and a patchwork of vaccination could still mean trouble, experts warn

Closest Known Relatives of Virus Behind COVID-19 Found in Laos
Studies of bats in China and Laos show southeast Asia is a hotspot for potentially dangerous viruses similar to SARS-CoV-2


Even Mild Cases of COVID May Leave a Mark on the Brain
The new findings, although preliminary, are raising concerns about the potential long-term effects of COVID-19

Humanitarians Push to Vaccinate in Conflict Zones
Pandemic ceasefires offer an opportunity to expand vaccination efforts, experts say. But negotiation is tricky

Masks Are a Must-Have to Go Back to School during the Delta Variant Surge
Face coverings are essential to protecting children, keeping schools open and slowing the highly contagious coronavirus variant, experts say

Why Do Variants Such as Delta Become Dominant?
Mutations that make a virus more transmissible are only part of the equation

How the Delta Variant Spreads So Quickly
Viral load is roughly 1,000 times higher in people infected with the Delta variant than those infected with the original coronavirus strain, according to a study in China

COVID Risks at the Tokyo Olympics Aren’t Being Managed, Experts Say
Current prevention measures may not be enough to prevent an outbreak

How Dangerous Is the Delta Variant, and Will It Cause a COVID Surge in the U.S.?
A new, more transmissible form of SARS-CoV-2 is rapidly spreading in the country and poses a threat to unvaccinated and partially vaccinated people

Deadly Fungi Are the Newest Emerging Microbe Threat All Over the World
These pathogens already kill 1.6 million people every year, and we have few defenses against them

Flu Has Disappeared for More Than a Year
Mask wearing, social distancing and other steps to stop COVID-19 have also curtailed influenza

Schools Can Open Safely during COVID, the Latest Evidence Shows
The risk of COVID transmission in schools is very low if precautions are taken