An infectious disease specialist took the time to explain what herd immunity is, how it works and when it might affect the spread of COVID-19. Dr. Frank Esper works for the Cleveland Clinic Children's ...

Vaccines boost the immune system's ability to fight off diseases. Vaccines undergo rigorous testing to ensure safety and effectiveness. Widespread vaccination contributes to herd immunity, protecting ...

As vital as vaccines are, they can be frustratingly selective about their targets. Scientists from institutions across the US ...

How can a tuberculosis vaccine also treat cancer—and potentially make other immunotherapies more effective? That’s the question researchers at Memorial Sloan Kettering Cancer Center (MSK) and Weill ...

A new Stanford study published Thursday marks a big step forward in the creation of a new kind of vaccine that offers protection against a range of infections at once. Traditionally, vaccines protect ...

Early research suggests a new nasal spray vaccine could protect against multiple respiratory threats.

In an early animal test, a new nasal-spray vaccine has shown promise against a variety of germs and a common allergen, ...