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 hepatitis C. This emphasizes the need for routine HIV, STI and hepatitis C testing among this population. HCA encourages...
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 identified at this time. Veterinary providers should consider HPAI infection when evaluating ill pets, particularly cats, with a history...
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 cases of Sudan virus disease (SVD) or MVD related to these outbreaks have been reported in the United...
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 of injectable ceftriaxone. To date, events have not been associated with a single product manufacturer or lot, and a definitive causal link to...
(Santa Ana, CA) — The Orange County Crisis Intervention Team (CIT) Program has been awarded Gold Level Certification through CIT International, recognizing its outstanding commitment to regional crisis response system development and collaboration between law enforcement and behavioral health professionals. Orange County is the first county in the state to...
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 International Airport (LAX) on Wednesday, February 19. Additional information regarding this traveler’s activity at LAX can be found in...
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 the public about the ongoing risk of dengue virus (DENV) infections and updates to testing recommendations in the United States. Dengue activity...
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 inhaling nitrous oxide recreationally can lead to serious health effects, including death. Just last month, after the introduction of a...
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 measles cases. Health care providers should consider measles in persons presenting with a febrile rash illness and other symptoms consistent...
The OC Health Care Agency (HCA), Environmental Health Services, has closed the open coastal water area in Huntington Beach and Newport Beach spanning from the Talbert Channel outfall at Huntington State Beach to the projection of Grant Street in Newport Beach due to a sewage spill. The sewage spill of...