The chair of the WHO's investigative group said that most scientific data supports the hypothesis that the new coronavirus ...

WHO director Dr Tedros Adhanom Ghebreyesus says all hypotheses are on the table, as the organisation works to reinforce ...

An expert group charged by the World Health Organization to investigate how the covid-19 pandemic started released its final ...

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 ...

A new bat coronavirus that has the capacity to spread to humans, similar to the one that caused the COVID-19 pandemic, has been discovered. HKU5-CoV-2 was found by a Chinese research team led by ...

Chinese researchers did conduct an experiment using a coronavirus that they found had 100% lethality in mice. However, the scientists did not "create" the virus, and it did not infect any humans.

A Chinese researcher had isolated and mapped out COVID-19 -- and uploaded it to a US-run database -- at least two weeks before Beijing officially unveiled details of the virus to the world ...

Elderly people are particularly vulnerable not just because of their age, but because they are less likely to be vaccinated against COVID-19.Chinese officials originally focused on immunizing ...

As COVID-19 cases surge in China, more than a dozen countries have announced new restrictions. ... As Chinese Tourists Prepare to Travel Again, Some Countries Close Their Doors.