Person with measles dined twice at Panda Express in Burlingame

"The person, who was vaccinated against the virus, is an adult who was exposed while traveling abroad, the department said in a news release. The two-shot measles, mumps and rubella vaccine series is 97% effective at preventing measles if a person is exposed, and cases are typically milder in vaccinated people."

"People who might have been exposed should stay home and contact their health provider immediately before seeking care, the department said. Measles typically causes fever and rashes, but about 20% of patients are hospitalized, and roughly 3 in 1,000 die."

"According to the CDC, the virus may infect a vaccinated person if their immune system didn't respond correctly to the vaccine, or if they were near someone with the virus for a long time. Disease symptoms are generally milder in vaccinated people, the CDC advises on its website, and they are also less likely to spread the disease to other people."

Santa Clara County Public Health Department reported a measles case in a vaccinated adult who contracted the virus while traveling abroad. The person visited a Panda Express in Burlingame on February 23-24 between 11:30 a.m. and 1:30 p.m., potentially exposing the public. The individual also visited undisclosed work and health care facilities before isolating at home. The MMR vaccine is 97% effective at preventing measles, and vaccinated individuals typically experience milder symptoms. Health officials urge anyone potentially exposed to stay home and contact their health provider immediately. Measles causes fever and rashes, with approximately 20% of patients requiring hospitalization and roughly 3 in 1,000 dying. Breakthrough infections can occur in vaccinated individuals, though they are less likely to spread the disease.

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