(Santa Ana, CA) – The OC Health Care Agency (HCA) received confirmation of a measles case in an adult which was locally acquired from a known exposure. The individual visited several…
The United States is currently experiencing a historic surge in cases of cyclosporiasis, a severe intestinal illness caused by the microscopic parasite Cyclospora cayetanensis. Dubbed by the media as the…
The OC Health Care Agency has confirmed that an Anaheim resident tested positive for West Nile virus (WNV), marking the first human infection reported in Orange County this year. Local…
The OC Health Care Agency (HCA) has confirmed a new case of measles in an Orange County toddler who recently returned from international travel. Local health officials are actively tracking…
The Orange County Mosquito and Vector Control District (OCMVCD) has officially confirmed that mosquito samples infected with West Nile Virus (WNV) are spreading across the region. Positive samples were detected…
The California Department of Public Health (CDPH), the Centers for Disease Control and Prevention (CDC), and the U.S. Food and Drug Administration (FDA) have launched a multi-state investigation into a…
The Orange County Mosquito and Vector Control District (OCMVCD) has issued a public warning regarding an increased risk of flea-borne typhus in the City of Santa Ana. This potentially fatal…
The Orange County Mosquito and Vector Control District (OCMVCD) has confirmed that mosquito samples collected in Newport Beach have tested positive for West Nile virus (WNV). This marks the first…
(Orange, CA) – A bat found in Irvine Regional Park has tested positive for rabies. The bat was found on Sunday, May 24, 2026 at 9:30 a.m. Anyone who may have had physical…
The Orange County Mosquito and Vector Control District (OCMVCD) has identified an increased risk of flea-borne typhus in the City of Santa Ana. Flea-borne typhus is a potentially fatal disease…
(Santa Ana, CA) – The OC Health Care Agency (HCA) received confirmation of a measles case in an infant who had history of international travel. The HCA is notifying individuals who were…
(Santa Ana, CA) – The OC Health Care Agency (HCA) received notification of a confirmed case of measles who visited Orange County (OC). While infectious, this individual visited the following OC locations:…
A case of measles has been confirmed in an Orange County resident, an unvaccinated toddler who by report has not traveled outside of the area or had known exposures. This…
(Santa Ana, CA) – The OC Health Care Agency (HCA) received notification from the California Department of Public Health (CDPH) and the Los Angeles Department of Public Health (LADPH) of a confirmed…
(Santa Ana, CA) — The OC Health Care Agency (HCA) has confirmed a case of measles in a young adult who recently travelled internationally. The HCA is notifying individuals who were exposed to…