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8h ago

Measles Patient Passed Through SFO and Visited Two San Jose Markets

County officials launched contact tracing to notify exposed people, recommending they check their vaccination records.

An adult infected with measure traveled through San Francisco International Airport, health officials said. 
LUBBOCK, TEXAS – MARCH 01: Boxes and vials of the Measles, Mumps, Rubella Virus Vaccine at a vaccine clinic put on by Lubbock Public Health Department on March 1, 2025 in Lubbock, Texas. Cases of Measles are on the rise in West Texas as over 150 confirmed case have been seen with one confirmed death.(Photo by Jan Sonnenmair/Getty Images)
Collage of an aerial view of a business park and an electron micrograph of a monkeypox virus.
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Overview

  • The infected Santa Clara County adult was infectious on June 8 and moved through San Francisco International Airport’s international terminal before visiting Trader Joe’s on Coleman Avenue and the International Halal Market in San Jose that evening.
  • Health officials are working with the California Department of Public Health and the CDC to identify and notify close contacts tied to the airport and market exposures.
  • People who were at the listed locations during the specified times should review immunization records and watch for measles symptoms for up to 21 days, with unvaccinated or vulnerable individuals urged to contact a healthcare provider or quarantine.
  • Officials say overall public risk in the Bay Area is low because of high vaccination rates but warn that pockets of unvaccinated people and ongoing international travel keep transmission risk alive, especially during large international events.
  • California reported 49 confirmed measles cases as of June 8 with most patients unvaccinated and many under 19, a pattern public health officials cite to stress that two doses of MMR remain the best protection and that prompt contact tracing can limit further spread.