LA County health officials report investigating a measles case involving a person who was infectious while visiting at least one public location in Los Angeles County- Universal Studios Hollywood- on Sunday, July 26, 2026 from 10 a.m. to 9 p.m, prompting officials to warn the public of potential exposure to measles.
People who were at Universal Studios Hollywood – 100 Universal City Plaza, Universal City, CA 91608, during the date and time listed above may be at risk of developing measles from 7 to 21 days after being exposed. These individuals should confirm their protection against measles. Those who have had measles in the past or received the recommended measles vaccine are likely protected but should still monitor for symptoms. People who are unimmunized or have unknown measles immunization status are at higher risk and should monitor for symptoms closely. Anyone who remains symptom-free for more than 21 days after being exposed is no longer considered at risk.
The last day to monitor for symptoms is August 16, 2026.
Additional locations where possible exposures may have occurred are being investigated.
Public Health urges everyone in LA County to ensure they are fully protected from measles before traveling and take recommended precautions.
The most effective way to protect yourself and your family is with the measles-mumps-rubella (MMR) vaccine. Children 12 months and older are considered fully protected against measles after receiving two doses of the MMR vaccine. Infants who are older than 6 months and are traveling internationally or to domestic areas with ongoing measles outbreaks can get an early dose.
In the United States, as of July 31, a total of 2,371 measles cases have been reported this year. Most of these cases are associated with outbreaks that started in 2025 and 2026. The majority of cases are unvaccinated or have unknown vaccination status. Seven percent of these cases required hospitalization for management of measles complications or isolation. Los Angeles County last reported a measles case on July 21, 2026.