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 common questions about the new variant.

An expert group from the World Health Organization failed to find a definitive answer to the COVID-19 pandemic’s origins in ...

Twenty new viruses have been discovered within bats in China, "raising urgent concerns" that these diseases might spill over ...

India’s Deputy Army Chief accuses China of using Pakistan as a testing ground; PM Modi gifts a Ram Mandir replica in Trinidad ...

New viruses that are genetically similar to known fatal viruses have been discovered near food sources in a concerning new ...

Scientists in China have discovered a host of never-before-seen viruses in bats that live near humans. These viruses include ...

The findings concern two viruses closely related to Nipah and Hendra, which can cause brain inflammation and respiratory ...

Experts were unable to get the data they needed from China to evaluate whether Covid was the result of a lab accident.

Two newly discovered viruses lurking in bats are dangerously similar to Nipah and Hendra, both of which have caused deadly ...

Scientists have discovered 20 new viruses in bats in Yunnan, China. In a world still recovering from COVID-19, findings like ...

Medical experts have sounded the alarm after 20 new bat viruses were identified in China, urging Australians to remain ...

Respiratory syncytial virus (RSV) is a leading cause of acute lower respiratory infections (ALRTIs) in children under five and poses a persistent threat to child health worldwide.