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Department of Health Services

Public Health Disease Control

Health Provider Alerts


July 23, 2026 | Department of Health Services

Ebola Disease Outbreak in the Democratic Republic of the Congo and Uganda

The World Health Organization (WHO) has declared the ongoing Ebola Bundibugyo virus disease outbreak in the Democratic Republic of the Congo (DRC) and Uganda a Public Health Emergency of International Concern on May 17, 2026. The current risk to the general public remains low in the United States, but healthcare providers must be ready to identify, isolate, and report any suspect case. 6 Read full story


January 28, 2026 | Department of Health Services

Hydrogen Cyanide Leak - Shelter in Place Issued

This is an advisory alert to healthcare and response partners regarding a shelter in place alert issued for south portions of Santa Rosa and adjacent areas. The chemical released is a respiratory hazard, and hospitals should be aware that individuals may self-present. Read full story


January 23, 2026 | Department of Health Services

Measles in California

As of January 23, 2026, the Centers for Disease Control and Prevention (CDC) reports 2,255 confirmed measles cases in the U.S. for the year 2025, the highest annual total since measles was declared eliminated in 2000, and 416 confirmed cases in 2026 to date. Read full story


October 30, 2025 | Department of Health Services

H5N1 Detected in Two Farms in Sonoma County

The California Department of Food and Agriculture advised that H5N1 has been detected in two poultry farms in Sonoma County. Read full story