Scientists are reporting troubling signs that some recent mutations of the virus that causes COVID-19 may modestly curb the effectiveness of two current vaccines, although they stress that the shots ...

Learn how personalized cancer vaccines work and what to watch for at ESMO 2026. A vaccine made from a person’s own tumor has become the first of its kind to succeed in a phase 3 trial. Full results ...

New details have emerged about an initiative that starts in December to fast-track the vaccines, similar to the successful ...