The area of Short Creek, which bridges the Arizona-Utah border, has seen nearly 160 measles cases and counting.

With nearly 800 cases and rising concern across the Southwest, experts warn the U.S. could lose measles eradication status without higher immunization rates.

A measles outbreak on the Arizona-Utah border is the second largest in the United States in 2025, which has been a record-setting year for measles.

A traveler with measles passed through the New Orleans airport Sunday night, a brief encounter that health officials say poses a low risk for most people. But for those without immunity, such as children too young to be vaccinated or people with health conditions that prevent vaccination, the risk is higher.

( The Texas Tribune) More than 3,500 cases of pertussis, or whooping cough, cases have been reported in Texas so far this year, already reaching a 11-year high even though two more highly infectious months are left in the year, according to the Texas Department of State Health Services.

Measles elimination status means a country has not experienced an uncontrollable spread of the virus for at least one year.

Travelers to, from, and within Australia and New Zealand need to be informed and take precautions as the global measles outbreak continues to spread.

Only one person has newly tested positive for measles in South Carolina this week, but an Upstate outbreak could continue to spread, especially with the upcoming holidays, according to the state Department of Public Health.