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 ...

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