NB.1.8.1. or “Nimbus” — may cause painful sore throats, earning it a new nickname: “razor blade throat” COVID.

British scientists had warned Nimbus could lead to a surge in Covid cases as many people's immunity had likely faded ...

The highly contagious Nimbus is now Britain's most dominant strain with official UKHSA data suggesting infections have ...

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 strain of Covid has been reported as on the rise in the UK, with infections having doubled in just a month, the UK Health ...