Measles Exposure Reported at San Francisco Airport and San Jose Stores

A person infected with measles passed through San Francisco International Airport and two San Jose grocery stores, health officials said. The individual moved through the airport's international terminal, including passport control, customs and baggage claim areas.

m. and an unspecified closing time. Officials said anyone present at those locations during the specified periods may have been exposed. Measles ranks among the world's most contagious diseases. Health authorities warned that symptoms could appear seven to 10 days after exposure and include fever, cough, runny nose, red eyes and rash.

Unvaccinated individuals are urged to quarantine, avoid large gatherings and monitor for illness for up to three weeks. Pregnant women, infants, immunocompromised people and the unvaccinated should seek medical guidance if exposure is suspected. Anyone developing symptoms should contact a medical provider before visiting in person to limit further transmission.

Officials are coordinating contact tracing with state and federal health agencies.

California has confirmed 49 measles cases as of June 8, nearly double the 2025 total and the highest since 2019. State data shows 94 percent of cases involve unvaccinated individuals and more than 80 percent are in people under 19. Santa Clara County has issued similar exposure warnings in February 2026 and May 2025.

Nationally, a 2025 outbreak in West Texas produced more than 750 cases, dozens of hospitalizations and two deaths among unvaccinated patients.