The US has already recorded more than twice the number of measles cases seen in all of 2024, with Texas reporting the majority at 505. As of April 4, the Centers for Disease Control and Prevention (CDC) in the US has confirmed 607 cases nationwide in 2025.

New Mexico health officials announced that the measles outbreak has reached a third county in the state’s southeastern corner Tuesday.

On Wednesday, April 9, 2025, U.S. Secretary of Human and Health Services Robert F. Kennedy Jr. visited Hózhó Academy Charter school in Gallup, New Mexico as part of his three-day multi-state 'Make America Healthy Again' tour on Monday, April 7 through Wednesday, April 9. The tour also included stops in Utah and Arizona.

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

Syracuse, N.Y. -- Onondaga County has one of the highest measles vaccination rates in New York state. The county’s vaccination rate among those 2 years and older stands at 89.2%. That’s just a hair lower than 89.3% in Niagara County, the highest.

A large measles outbreak that spread through parts of New York State for nearly 12 months nearly cost the country its elimination status in 2019. The outbreak was contained in large part because of aggressive vaccine mandates, which helped substantially increase childhood immunization rates in the community.

A public health official in Texas recently warned that the state's ongoing measles outbreak could last a year. Why are cases expected to keep rising?

A measles outbreak in Knox County, Ohio, grew to 14 cases this week, with the state's overall count in double digits across four counties. The U.S. has more than double the number of measles cases it saw in all of 2024,