The origins of COVID-19 remain a mystery as WHO says “Cannot rule out any theory” after an inconclusive study.

Five years removed from the onset of Covid-19's global sweep, research into another subset of the coronavirus has scientists ...

If we want to prevent viral infections or develop drugs that can effectively treat them, those infections have to be ...

The World Health Organization’s expert team, after more than three years of research, has released its final assessment on ...

The World Health Organization’s expert group says the origin of COVID-19 remains inconclusive, though most evidence still ...

Chinese researchers have identified 22 new viruses in kidney tissues from 142 bats. Two of them resemble Hendra and Nipah ...

All hypotheses on how the COVID-19 pandemic began remain open, the World Health Organization said Friday, following an ...

Researchers have raised “urgent concerns” after discovering two new bat viruses in China with the potential to infect humans ...

The virus killed at least 20 million people, wiped at least $10 trillion from the global economy and upended billions of ...