Yahoo News answers some of the most frequently asked questions about measles amid the multi-state outbreaks that started in West Texas.

Measles cases in the U.S. are at their highest in more than three decades. The U.S. Centers for Disease Control and Prevention says the U.S. has 1,288 cases since the beginning of the year.

The University of Texas and Austin Public Health created a measles simulator for school districts and private schools around the county to better understand their risks.

Measles cases in the United States have reached their highest number in more than 30 years, according to new federal data published Wednesday.

Measles cases in the United States are the highest they’ve been since the country eliminated the disease in 2000. The U.S. has reported 1,277 cases since the start of the year, according to NBC News’ tally of state health department data.

Additional cases linked to the Texas outbreak have been identified in New Mexico and Oklahoma. Related: Texas measles outbreak could last 12 months, experts say, risking U.S. elimination status ...

According to the Centers for Disease Control and Prevention, 1,267 cases of measles had been confirmed in the U.S. as of July 1, 2025, including cases in Palmetto State neighbors Georgia and North Carolina along with 35 other states. The CDC has confirmed three measles deaths so far this year.

As the U.S. records its worth year for measles spread since 2019, the Illinois Department of Public Health Friday will hold an update on the status of the highly contagious virus with cases across the state.

New data reveals FEMA missed major flood risks at Camp Mystic, where over two dozen died in the Texas flood. And, U.S. measles cases hit the highest level in over three decades.