The nuanced finding suggests the agency believes the totality of evidence makes a lab origin more likely than a natural ...

A new study suggests that a simple blood test measuring leukocyte levels, a type of white blood cell, might predict the ...

COVID-19 continues to be a threat to America’s health, causing more illness and death than either influenza or resp ...

China on Monday dismissed the possibility that the virus that caused COVID-19 leaked from a lab, after the CIA said it now ...

In the midst of pandemic upheaval, researchers have gained fundamental insights about how the body fends off infections.

Fla., praised news that President Donald Trump will reinstate service members expelled for refusing to take the COVID-19 ...

And yet Americans’ trust in vaccines and medical institutions has fallen sharply in the years since. What started as a ...

RFK Jr., Trump's nominee for HHS secretary, has been condemned by major Jewish groups for fueling antisemitic COVID-19 ...

New director Ratcliffe releases a judgment Biden had kept secret.

The U.S. is seeing a "quad-demic" as cases of COVID-19, flu, RSV and norovirus spread at the same time. Experts said this is ...