Measles — once a common childhood disease but now much less so because of vaccination — may make your immune system weaker for years. The measles vaccine, however, could stop this from happening and give public health a boost.

A new pneumococcal vaccine may be key to reducing illness in kids.

The cause of autism remains a mystery, but new evidence may rule out one possible cause — bringing researchers closer to understanding this disorder.

Girls may receive the human papillomavirus (HPV) vaccine to help prevent later cervical cancer. In boys, the vaccine may be important in protecting against another rapidly growing cancer threat.

Disneyland, “The Happiest Place on Earth,” became ground zero for a measles outbreak last December, and some experts say they know the cause.

As more and more patients are diagnosed, measles is quickly reaching the forefront of the public's health concerns.

Some parents have raised concerns that vaccinating young girls against HPV, a sexually transmitted illness, might lead to more unsafe sexual activity in these girls. New evidence, however, suggests that's not the case — and the vaccine could prevent serious health problems.

Despite health officials' efforts to raise public awareness about the potential health benefits of vaccines, many adults aren't going in to get their shots.

Parents don't want their kid stuck home sick from school, or worse, in the hospital. Sticking to the vaccine schedule may help keep children happy and healthy.

A group of US pediatricians has called for parents to get their children vaccinated for measles in response to an outbreak that began in Disneyland in California last December.