"Everyone is at risk if they’re not protected.”

The California Department of Public Health, in conjunction with the Los Angeles Department of Public Health, is investigating an international traveler with a confirmed case of measles, who visited multiple high-traffic locations throughout California, including Disneyland. A measles outbreak in Southern California is now a possibility.

The infuriating report follows news of the measles outbreak in South Carolina reaching Clemson University, as well as a measles outbreak in Miami in March 2025.

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Below, we report on the details of the international traveler with a confirmed case of measles who endangered the lives of untold numbers of people at Los Angeles International Airport, Disneyland, and elsewhere throughout Orange County.

Continue reading to learn more about what we know at this point about the international traveler with measles, as well as what health officials are doing in the aftermath of this report.

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According to a Jan. 31 press release from the OC Health Care Agency, health officials are working with the California Department of Public Health and the Los Angeles Department of Public Health to investigate a confirmed measles case involving an international traveler who apparently knowingly traveled while contagious.

The international traveler is confirmed to have traveled through Los Angeles International Airport and various other locations in Orange County, Calif.

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"People who were at these locations during the date and time listed above may be at risk of developing measles from 7 to 21 days after being exposed," according to the OC Health Care Agency's press release.

The agency's Communicable Disease Control Division is working alongside Disneyland personnel to contact all employees who may have been exposed to the infectious international traveler at some point.

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This confirmed measles case marks the second such report in the span of about a week, which has understandably heightened concerns for an outbreak among health officials.

According to a report in the Los Angeles Times, "Earlier last week, the OC Healthcare Agency confirmed a measles case in a young adult who recently traveled internationally. The infected person visited a gym in Ladera Ranch on Jan. 23 and an urgent care facility on Jan. 23 and 26."

Per the Centers for Disease Control and Prevention, a measles outbreak is defined as three or more related cases.

“Measles doesn’t only affect people who travel internationally—everyone is at risk if they’re not protected,” Deputy County Health Officer Dr. Anissa Davis said. “Because measles is highly contagious, it can spread quickly within communities, even among those who haven’t traveled. The best way to protect yourself and your loved ones is to get vaccinated before exposure occurs.”

The CDC reported on Jan. 30 that there have been 588 confirmed measles cases as of Jan. 29. An astounding 89% of the confirmed measles cases in 2025 were related to measles outbreaks.

According to the OC Health Care Agency press release, the 2,267 total confirmed measles cases in 2025 mark the highest annual count in more than 30 years.