The U.S.’s top infectious disease specialist describes a new Biden administration program to develop and test antivirals—and what he’s most worried about as the nation reopens

Developing pills that block the novel coronavirus has been challenging. A new Biden administration program aims to boost the effort

With the risks of drug development prohibitive, repurposed or repositioned medicines appear the best hope against long-COVID, a condition that still raises many unanswered questions.

Genomic sequencing efforts are limited in developing countries, but scientists are mobilizing to help

More than a year into the SARS-CoV-2 pandemic, some scientists say the possibility of a lab leak never got a fair look.

Vaccine makers are designing follow-up shots, based on new mutations, to keep the disease at bay

A treatment from World War I is making a comeback in the struggle to beat deadly multidrug-resistant infections

The surprise revelation means 12 million Vietnamese may need to retreat

An overemphasis on blood testing and case management for even low exposures is draining resources and ignoring the real need: Removing lead paint.

More and more communities are emerging as hotspots for drinking water tainted with perflourochemicals used in making Teflon, Gor-Tex, and hundreds of other commercial products. Are they harmful? This article investigates.

American warplanes sprayed millions of gallons of Agent Orange during the Vietnam War. Some researchers and the Vietnamese government insist that its toxic effects last generations. Read on to learn more from my reporting trip to Vietnam last year.