As measles cases in the U.S. and around the world rise, New York is warning its residents to take precautions before traveling to areas experiencing an outbreak. The New York Department of Health's advisory says people should be fully vaccinated against measles at least two weeks before departing.

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.

The Texas health department said on Friday that the number of measles cases in the state rose 20% since its last report three days ago, as experts warn they expect the outbreak to further spread in coming weeks.

Tennessee confirms three additional measles cases, bringing the state's 2025 total to four, linked to a previous case. The Department of Health emphasizes the contagion risk and promotes vaccination with the MMR vaccine.

Vaccine hesitancy has been growing in the U.S. in recent years. But as Texas measles cases rise and other states report outbreaks too, some parents want their kids to get their shots early.

Twenty-three measles cases have been reported in Kansas, and the state health department said they could be linked to an ongoing outbreak that has infected at least 379 people across Texas, New Mexico and Oklahoma.

Measles cases have risen sharply across Europe, with experts predicting another spike this Spring. Here are the symptoms to look out for and how to protect yourself against the potentially dangerous v

The number of measles cases has risen to 309 as the historical outbreak continues to rage on in West Texas and three new counties report infections, according to state officials on Friday. Of those, 40 patients are hospitalized.