The United States is grappling with more than 600 cases of measles, with outbreaks reported in Ohio, Kentucky, and Indiana.

The U.S. eliminated measles in 2000—but that hard-won achievement is now under threat. To contain the current outbreak, some states are following a new playbook to fight the infectious disease.

U.S. pediatricians and infectious disease experts say the fight against rising measles cases nationwide is being hampered by a lack of forceful advocacy for vaccination from government health officials and statements on unproven treatments that are confusing parents.

A measles outbreak spanning multiple states is nearing 600 cases, and experts say it might just be the beginning.

A second child in Texas has died of measles, according to the Texas Department of State Health Services, in a growing outbreak that has infected hundreds of people, the vast majority in unvaccinated communities in Texas.

A second child in Texas has died from measles, one of the world's most contagious illnesses which was declared eliminated from the United States in 2000, several decades after the introduction of a highly effective vaccine.

A board-certified family medicine physician explains what a measles vaccine booster is, who should receive it as an adult, and why they may wish to consider it.

The first case of measles in Florida was confirmed in a Miami-Dade County high school. Signs and symptoms of measles include a high fever, cough and runny nose. A rash appears 3-5 days after symptoms first appear. A second child has died from measles as the number of cases continues to grow in the United States.