Suzanne Phan; Kiley Russell, Bay City News

Articles by Suzanne Phan; Kiley Russell, Bay City News

Highly-contagious measles case confirmed in Walnut Creek and Lafayette, Contra Costa County health officials say - ABC7 San Francisco

Health December 31, 2025

CONTRA COSTA COUNTY, Calif. (KGO) -- Health officials in Contra Costa County have confirmed a measles infection in a person who was mingling in public places for about a week before being discovered.�...