If someone is vaccinated against the measles virus, they likely won't get measles. If someone is vaccinated against SARS-CoV-2, there's still a good chance they'll get COVID-19—maybe multiple times. A ...

The human papillomavirus (HPV) is a very common, largely asymptomatic, and sexually transmitted infection caused by over 200 ...

COVID vaccines offered varying degrees of protection in the six months after patients receive them, with levels climbing and plunging in two cases and climbing and climbing in another. Age, sex, body ...

New research comparing four different flu vaccines found that the ability of the vaccines to activate cells of the immune system that help to protect against infection varied greatly depending on the ...

When a new and hoped-to-be safer oral polio vaccine started to make its way into use in March 2021, there was huge optimism that this long-needed tool would help the polio eradication campaign quell a ...

Researchers are calling for vaccine types that better protect us against infection, not just severe disease. But more money and data are needed to widen their scope. Jessica was a writer on the ...

On this World Cancer Day, we look at where research and availability stand for cancer vaccines.

While effective vaccines for Covid-19 should have heralded the benefits of mRNA vaccines, fear and misinformation about their supposed dangers circulated at the same time. These misconceptions about ...