S.F. infant diagnosed with measles, city’s first case in 7 years
San Francisco Chronicle • • general
Key Points:
- San Francisco has reported its first measles case since 2019 in an unvaccinated infant who contracted the virus during recent international travel and is now recovering at home.
- Health officials are contacting close contacts of the infant to prevent further spread, noting that other household members have been vaccinated.
- The Sacramento region is currently experiencing California’s largest measles outbreak of 2026, with 17 cases primarily among unvaccinated children.
- Declining vaccination rates are contributing to a nationwide increase in measles cases, with California and the U.S. seeing the highest numbers in years.
- The measles vaccine is recommended in two doses for children aged 12 months and older, with an earlier dose advised for infants traveling internationally.
