Five people have been hospitalized with cardiac and neurological symptoms after getting the chikungunya vaccine.

Vaccination provides long-lasting 97% protection against measles infection. Most people who have been vaccinated do not need ...

Vaccines not only protect individual children from measles, but also contribute to community immunity, protecting those who ...

In the last year, several cases of measles have been identified in the Philadelphia region; last winter, a measles outbreak ...

Health and Human Services Secretary Robert F. Kennedy Jr. — a prominent vaccine skeptic — is now urging Americans to get vaccinated for measles as outbreaks have been reported in several states.