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

Researchers found that Akkermansia muciniphila boosts lung-specific antiviral immunity against SARS-CoV-2 in mice by modulating the gut–lung axis. This commensal gut bacterium shows promise as a ...

The new COVID-19 variant, called Nimbus, has similar symptoms and recovery to the Omicron strain. It hasn't been detected in ...

A new COVID variant called "Nimbus" is spreading. Here's what you need to know about the incubation period, symptoms ...

Learn about the new COVID-19 variant NB.1.8.1, its spread, symptoms, and how to protect yourself from infection and severe ...

In patients with COVID-19, preexisting immunity and Omicron infection were associated with reduced disease severity and upper respiratory symptom presentation.