Home / Health / Measles Outbreak Spikes in NorCal
Measles Outbreak Spikes in NorCal
16 Apr
Summary
- Sacramento and Placer counties report 19 measles cases.
- Many cases are linked to homeschool enrichment programs.
- This is the largest outbreak in 12 years.

A concerning measles outbreak is on the rise in California's Sacramento and Placer counties, with 11 confirmed cases in Sacramento and eight in Placer, totaling 19 cases across the region. All affected individuals are children or teenagers.
Health officials, including Placer County's Dr. Rob Oldham, highlight that a key concern is the vulnerability of infants too young to receive the MMR vaccine, which is typically administered around one year of age. The current spread is primarily linked to homeschool enrichment programs.
Dr. Oldham described this outbreak as the most significant he has witnessed in his 12 years of service. He noted that clusters of unvaccinated individuals appear to be facilitating the virus's transmission. Community efforts are underway to curb the spread of this highly contagious illness.
Parents are expressing caution, with some modifying their routines to protect their young children. The health departments are urging individuals with symptoms like a runny nose or cough to keep children at home to prevent further transmission.