A new study released in JAMA finds life expectancy has still not bounced back from pre-pandemic 2019 levels, attributing the remaining gap to drug overdoses and cardiovascular diseases and hitting low ...

A new COVID-19 variant named "Nimbus" has been detected in the U.S. and is spreading rapidly. Here's what to know about ...

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

WHO’s Tedros says ‘all hypotheses must remain on the table’ after critical information not provided to investigators.

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

All hypotheses on how the Covid-19 pandemic began remain open, the World Health Organization said, following an inconclusive four-year investigation that was hamstrung by crucial information being ...

When COVID-19 first emerged, authorities said it had likely jumped to human hosts from the bat population. But others believe the novel coronavirus may have come from a leak from the Wuhan lab.