Other U.S. states with active outbreaks — which the CDC defines as three or more related cases — include Arizona, Colorado, Georgia, Illinois, Iowa, Kansas, Michigan, Montana, New Mexico, North Dakota, Oklahoma and Utah.

After Texas, New Mexico and Oklahoma, Kentucky has not joined the list of US states to declare a measles outbreak, which as per the CDC means 3 cases must be related. Read more about it here.

Kentucky has its first measles outbreak of 2025, as the U.S. case count sits just short of a 30-year high. There have been 1,267 confirmed measles cases this year, the Centers for Disease Control and Prevention said Wednesday.

There has been nationwide total of 1,267 confirmed cases of measles this year, with Kentucky being the latest state to announce an outbreak, the U.S. Centers for Disease Control and Prevention reported Wednesday.

SAN ANTONIO — A case of the measles has been confirmed in Bexar County, according to the Texas Department of State Health Services—the county's first amid the 2025 outbreak and just the second reported in the greater San Antonio area.

A measles outbreak has emerged in central Kentucky. There are four confirmed cases: Three were confirmed in Woodford County before a fourth emerged in nearby Fayette County, per WKYT. The Kentucky Department of Public Health has also reported a confirmed measles exposure in Jessamine County.