Babies with a weakened immune system aged six months and upwards can now have the booster jab.

A professional boxer shares her colitis diagnosis on social media in the hope of inspiring others.

Jennifer, who has numerous health conditions, says she needs more protection from Covid-19.

A lot of us know someone who has felt pretty rough with the most recent form of the virus.

A discovery gives experts new ideas for developing vaccines to treat or even prevent cancer.

The types of good bacteria which colonise our bodies at birth could influence how well vaccines work.

Why have some people never had Covid and can that lead to better vaccines?

A break in taking a common immune-suppressing drug could improve how well vaccines work, a trial suggests.