A new study by researchers at the Icahn School of Medicine at Mount Sinai overturns a longstanding assumption about how mRNA vaccines generate immunity, revealing that certain non-immune cells help ...

Herd immunity occurs when enough people become immune to a disease, either through vaccination or previous infection. This can reduce the likelihood of it spreading and increase protection for ...

COVID-19 vaccines lower the risk of getting sick, seriously ill or dying from the disease. But how do the different types of COVID-19 vaccines work? Each COVID-19 vaccine causes the immune system to ...

Researchers at the University of Wisconsin School of Veterinary Medicine have identified a possible way to make longer-lasting vaccines for respiratory viruses like influenza and the coronavirus that ...

A surprising backup system in the immune response to mRNA vaccines may hold the key to more effective cancer treatments.

Vaccines work by helping your body build protection against harmful viruses and bacteria. And while getting a shot may not be fun, vaccines are one of the best ways to keep you and your family safe ...

Current vaccination rates among U.S. school-age children are too low to maintain effective herd immunity against several preventable diseases. Coverage for key vaccines such as MMR (measles, mumps, ...

Vaccinations used to seem simple. Your doctor would tell you which to get, and you’d roll up your sleeve at the office or a nearby pharmacy. Now we’re seeing changing recommendations, and some people ...