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.

Tennessee has four confirmed measles cases, and health care experts know with certainty that means more are on the way. Measles was declared eliminated from the United States in 2020, but it is surging again as parents decline to vaccinate their children.

The Tennessee Department of Health confirmed three additional measles cases in Middle Tennessee on Tuesday, less than two weeks after the region reported its first case. One of the new cases confirmed Tuesday is related to Tennessee's first confirmed case on March 21. No additional details are available about Tennessee’s positive cases.

As travelers make their way through Detroit Metro Airport Wednesday, many are reacting to news that the second person to contract measles this year in Michigan.

These numbers are just a slight increase from last week, when the OSDH reported seven confirmed measles cases and two probable cases.

KENT COUNTY, MI – The first measles case in more than a decade has been confirmed in Kent County, officials announced. This is the first confirmed case of measles since 2013 and Michigan’s second case this year -- the first was reported in Oakland County.

As measles spreads across the U.S., a few fully vaccinated people have contracted rare breakthrough cases. Here's what to know and why vaccination is still important.

The notice comes a day after the HSE issued an “urgent public health alert” about a suspected measles case on the Dublin Connolly to Sligo train last Friday. Members of the public may have been exposed to measles while travelling for 15 minutes or more in carriage D of the service, which departed Dublin at 5.05pm on March 28th, the HSE said.