"Infectious disease doesn't respect any borders," said Dr. Peter Chin-Hong.

Because the measles vaccine is routinely recommended only for children 12 months of age and older, babies are especially ...

Health officials in San Francisco announced Wednesday that an infant who recently traveled outside the United States has ...

San Francisco health officials said an unvaccinated infant had the first case of measles reported in the city since 2019, ...

The San Francisco Department of Public Health on Wednesday announced a confirmed case of measles in an infant, the city's ...

San Francisco reports its first measles case since 2019 — an unvaccinated infant is recovering and contacts are being traced.

San Francisco, long insulated from the cyclical shocks of vaccine-preventable disease, has reported its first measles case in ...

A measles case reported this week in a San Francisco infant marked the first known occurrence of the disease in The City ...

The San Francisco Department of Public Health on Wednesday announced a confirmed case of measles in an infant, the city's ...

Several counties in California have faced or are currently facing measles outbreaks in 2026. How does measles spread?

California in 2026 has already seen its highest number of annual measles cases in seven years. The looming new domestic ...

An infant under the age of 12 months is the first reported case of measles in San Francisco since 2019, city health officials ...