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...

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...

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...

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...

A case of measles has been confirmed in a child who returned at the end of November after international travel. Potential exposures may have occurred in the following situations...

The OC Health Care Agency (HCA) recently identified the first case of Trichophyton mentagrophytes (TMVII) in Orange County. TMVII is a recently emerged cause of dermatophyte (e.g...

The OC Health Care Agency (HCA) was notified of seven confirmed cases of Legionnaire’s Disease (LD) among residents living in a community in a northwestern corner of Westminster...

This alert aims to raise awareness of current guidance around the prevention and treatment of respiratory pathogens as we begin the 2024-2025 respiratory virus season. In addition...

The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Advisory to inform clinicians and health departments about the Republic of...