As more humans become infected by H5N1 bird flu, experts worry of a new pandemic with 70 human cases in the U.S. including 1 death. What to look for.

Scientists trace how the virus behind COVID-19 traveled over 2,000 kilometers from bats in Western China to Wuhan.

According to the paper, the precursor to SARS-CoV-2 originated in horseshoe bats in western China or Northern Laos several years before the first cases of COVID-19 were reported in Wuhan.

The ancestor of the virus that causes COVID-19 left its point of origin in Western China or Northern Laos just several years ...

As China and the United States trade charges of a lab leak, researchers contend in a new paper that the Covid pandemic got ...

Trump halted biological research funding to adversaries such as China and Iran because of concerns COVID-19 originated in a ...

Typically, gain-of-function research aims to breed germs that are more viral or transmissible than previous strains in order ...

Camp Hill virus surfaces in North America — efforts intensify to assess risks, track its spread, and define its potential ...

The president signed a bill pausing funding for gain-of-function virus research. Former President Barack Obama did the same ...

President Trump signed an executive order banning federal funding for ‘gain of function’ research. Scientists are split on ...

President Trump issued an executive order Monday banning federal funding for any research abroad that involves a field of ...