Measles Outbreak Looms in Central Valley Amid Farmworker Exodus

WHO:

Yahoo - About 150 agricultural workers are being monitored for measles.

Yahoo - The California Department of Public Health is involved in monitoring the workers.

Yahoo - The Arizona Department of Health Services is also monitoring the workers.

WHAT:

Yahoo - The workers are being monitored for signs of measles after being exposed to the virus.

Yahoo - None of the workers have been reported to have measles so far.

Yahoo - The Fresno County Health Department stated that the risk to the general population is low.

WHERE:

Yahoo - The monitoring is taking place in Fresno, Madera, and Merced counties in California.

Yahoo - The workers came from an area in Arizona where there was a major outbreak of measles.

WHEN:

Yahoo - More workers will be arriving in California in the coming days.

WHY:

Yahoo - The workers were exposed to measles due to a major outbreak in Arizona.

HOW:

Yahoo - Health agencies are monitoring the workers for symptoms and will implement public health measures as needed.

Yahoo - The public is advised to contact medical providers if they exhibit symptoms related to measles, such as cough, runny nose, rash, fever, or red eyes.

(UPDATED August 3, 2026 12:58 UTC)

About 150 agricultural workers are currently being monitored for measles in Fresno, Madera, and Merced counties in California after being exposed to the virus during a major outbreak in Arizona. So far, none of the workers have shown symptoms of measles, and health officials from both the California and Arizona Departments of Health Services are involved in the monitoring process, which will continue as more workers arrive in the coming days. The Fresno County Health Department has stated that the risk to the general population remains low, but the public is encouraged to contact medical providers if they experience symptoms like cough, rash, or fever.