New WHO report suggests COVID-19 originated from animal-to-human transmission, though Director-General Tedros maintains all ...

NB.1.8.1 is one of the latest variants of COVID-19, a "slightly upgraded version" of the LP.8.1 variant that is prominent ...

WHO Director-General Tedros Adhanom Ghebreyesus said it was a “moral imperative” to determine how COVID began, noting that ...

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 WHO Scientific Advisory Group reported progress in understanding COVID-19's origins but noted that critical information ...

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

A new Covid-19 variant called NB.1.8.1, or Nimbus, represents about a third of new US Covid-19 cases. Dr. Leana Wen answers ...

The global catastrophe killed an estimated 20 million people, according to the WHO, while shredding economies and crippling ...

The FDA has updated labels on the top two COVID-19 vaccines to warn of a rare heart side effect, mostly seen in young men. Here's what to know.