Covid has largely dropped out of the headlines, but the virus that causes it is still circulating. We ask what we should know about a new variant of SARS-CoV-2, the state of the Covid pandemic in 2025 ...

FDA vaccines chief Vinay Prasad limited broader use of COVID vaccines, citing reduced risk and data concerns. Read more here.

Sharp throat pain that feels like swallowing razor blades—this symptom is particularly noticeable in infections with the new ...

The Covid-19 variant ‘Nimbus’, which causes a ‘razor blade’ throat symptom, is under monitoring and currently poses a low ...

Virus isolation of the newer variants was in process at the institute, which would help assess vaccine effectiveness and support India’s indigenous efforts for vaccine development.

A new subvariant of the Omicron SARS-CoV-2 virus, identified as NB.1.8.1 (unofficially nicknamed Nimbus), is rapidly gaining ...

The University of Minnesota is stepping up efforts to identify biological threats that could trigger an epidemic, launching ...