A new study led by University of Toronto researchers has shown that immune cells in the gut follow an atypical pathway to produce antibodies that provide long-term protection against viruses.

The flu season has made an unexpectedly early appearance this year. NHS figures reveal the winter flu wave has struck Britain a full month ahead of schedule, with infection rates trebling compared to ...

The flu season has made an unexpectedly early appearance this year. NHS figures reveal the winter flu wave has struck Britain ...

There's still a lot of confusion around the best time to take a COVID test and where to get them. Here, experts share their best advice for staying safe.