The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Advisory to clinicians and laboratories due to sporadic human infections with avian influenza A(…

People experiencing homelessness (PEH) are at increased risk for HIV and hepatitis C. The vast majority of recent HIV cases among PEH in Orange County have been co-infected with syphilis and…

Two Orange County cats have been diagnosed with presumptive HPAI influenza A (H5N1). These animals reportedly consumed raw pet food sold at a farmers’ market. No transmission to humans has been…

The California Department of Public Health (CDPH) is closely monitoring an Ebola disease outbreak in Uganda caused by Sudan virus and a Marburg Virus Disease (MVD) outbreak in Tanzania. To date, no…

The Centers for Disease Control and Prevention (CDC), in collaboration with state and local health departments, is investigating reports of serious adverse events, including deaths, following receipt…

  (Santa Ana, CA) —  The Orange County Crisis Intervention Team (CIT) Program has been awarded Gold Level Certification through CIT International, recognizing its…

The OC Health Care Agency (HCA) has confirmed a case of measles in an infant returning home to Orange County (OC) following international travel. The affected traveler arrived at Los Angeles…

The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Update to provide additional information to healthcare providers, public health departments, and…

On March 14, 2025, the Food and Drug Administration (FDA) issued a Consumer Advisory advising consumers not to inhale nitrous oxide products from any size canisters, tanks, or chargers as…

CDPH/Health Advisory- March 25, 2025 - Multiple measles cases have been confirmed in California in recent weeks. All cases have been linked to international travel, reflecting a global rise in…