Measles case reported in Orange County
(Santa Ana, CA) — The OC Health Care Agency (HCA) has confirmed a case of measles in a toddler who recently travelled domestically. The HCA is notifying individuals who were…
O.C. Mosquito and Vector Control will spray mosquito-killing chemicals in Santa Ana from Sep. 10-12
Based on mosquito abundance and surveillance data, Orange County Mosquito and Vector Control District staff will conduct residential adult mosquito control in the City of Santa Ana on September 10th,…
First West Nile Virus positive mosquitoes confirmed in Santa Ana
The Orange County Mosquito and Vector Control District (OCMVCD) has confirmed that mosquitoes collected in the City of Santa Ana have tested positive for West Nile virus (WNV). These are…
O.C. Vector Control to spray toxic chemicals to kill mosquitoes in Santa Ana on August 6
The Orange County Vector Control District has announced upcoming mosquito control efforts to address an increase in mosquito abundance and the risk of mosquito-borne disease in the cities of Anaheim,…
First 2025 West Nile Virus positive mosquitoes confirmed in Orange County
The Orange County Mosquito and Vector Control District (OCMVCD) has confirmed that mosquitoes collected in the cities of Anaheim and Garden Grove have tested positive for West Nile virus (WNV).…
Dead bat found in South Orange County tested positive for rabies
(Santa Ana, CA) — A bat found at Rancho Santa Margarita Lake has tested positive for rabies. The bat was found on the ground near a walking path around the lake on Thursday,…
So. Cal. residents warned not to eat shellfish harvested in local coastal areas
The California Department of Public Health has issued an advisory warning not to consume all bivalve shellfish (mussel, oyster, clam, scallop) recreationally harvested from the coast of San Diego to…
There are about 200,000 O.C. residents who may have latent tuberculosis
Tuberculosis (TB) rates are going up all over the U.S., even here in Orange County. Tuberculosis is an infectious disease caused by the bacterium Mycobacterium tuberculosis. It primarily affects the…
An O.C. child tested positive for measles after returning from an international trip
A case of measles has been confirmed in an Orange County child who returned last week after international travel. With the exception of potential exposures at Los Angeles International (LAX)…
A baby with measles was treated on three separate days at CHOC in Orange
(Santa Ana, CA) – The OC Health Care Agency (HCA) has confirmed a case of measles in an infant returning from international travel to Orange County (OC). The person visited the following…
Sewage spill leads to an O.C. ocean water closure
(Santa Ana, CA) – The OC Health Care Agency’s Environmental Health Division has closed the open coastal area from 1,500 feet upcoast of the Salt Creek to 1,500 feet downcoast…
The first case of sexually transmitted ringworm has been identified in Orange County
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. ringworm, or tinea)…
Seven Westminster residents have been infected with potentially deadly Legionnaire’s Disease
https://youtu.be/ALZyly9_l4w (Santa Ana, CA) –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…
Oriental Fruit Fly quarantine in effect in Orange County
SACRAMENTO, November 6, 2024 – A portion of Orange County has been placed under quarantine for the oriental fruit fly following the detection of eight flies in and around the…
Mosquito spraying in Santa Ana set for Sep. 10 to 12
Based on mosquito abundance and surveillance data, Orange County Mosquito and Vector Control District staff will conduct residential adult mosquito control in the cities of Brea, Santa Ana, Garden Grove,…