California Department of Public Health

The first human case of West Nile virus in Orange County this year has been confirmed in an Anaheim resident. The virus is transmitted by Culex mosquitoes, which contract it from infected birds, and health officials warn of an intense WNV season due to multiple positive mosquito detections.

A mother-in-law (MIL) is targeted in a scam involving false claims of unauthorized narcotic prescriptions and a fake investigation by the California Department of Public Health and a 'detective' via Signal, alleging $2.6 million in her account. The scammer referenced a morphine prescription in Washington DC and threatened to revoke her Medi-Cal healthcare.

The California Department of Public Health has identified agricultural workers in the state who were exposed to measles during an outbreak in Arizona. California counties are monitoring these workers for the disease.

The California Department of Public Health has identified agricultural workers in California who were exposed to measles during an outbreak in Arizona. California counties are monitoring for potential measles cases among these farm workers.

The San Francisco Public Library has launched a program offering free radon detector loans to help residents test their homes for radioactive gas. The initiative is part of a partnership with the California Department of Public Health to promote home safety.

Southern California is experiencing increased mosquito activity, with efforts to combat populations through sterile male mosquito releases. West Nile virus cases in mosquitoes have risen earlier than usual, though human infections remain low. An invasive Aedes aegypti species, capable of transmitting diseases like dengue and Zika, is also spreading in the region.

California is not experiencing a rise in cyclosporiasis cases, according to health officials, while other U.S. states are reporting increases. The California Department of Public Health confirmed no local outbreaks have been identified.

California is on alert due to 50 documented cases of wild mushroom poisoning since November 2025, resulting in four deaths, according to the California Department of Public Health (CDPH).

A family is suing The Kebab Shop restaurant chain and its beef supplier, alleging that their child was infected with E. coli from beef kofta. The California Department of Public Health is investigating an E. coli outbreak linked to the restaurant chain between March 27 and April 30.

A family is suing The Kebab Shop restaurant chain and its beef supplier, alleging that their child contracted E. coli from beef kofta. The California Department of Public Health is investigating an E. coli outbreak linked to the restaurant's beef kofta, which occurred between March 27 and April 30.

A rabid bat was found on a Fremont sidewalk, prompting health warnings in Alameda County. Officials advise avoiding contact with bats and seeking medical treatment if exposed, as rabies in humans is rare but fatal without care. Multiple rabid bat cases have been reported across the Bay Area this year.

A popular kebab restaurant chain in Southern California has halted sales of a menu item nationwide after an E. coli outbreak sickened nine people, including five hospitalized children. The California Department of Public Health linked the infections to Shiga toxin-producing E. coli (STEC) from grilled beef.

California health officials are investigating an E. coli outbreak linked to beef kofta sold at The Kebab Shop, which has infected nine people, including six children, and hospitalized five victims. The outbreak has prompted concern across the state.

The California Department of Public Health has issued a warning about an E. coli outbreak linked to beef kofta served at The Kebab Shop locations across California. The restaurant chain has voluntarily paused sales of the grilled beef kofta due to potential exposure to Shiga toxin-producing E. coli (STEC).

A fatal wild mushroom outbreak in California has poisoned at least 47 people and claimed four lives since mid-November, prompting health officials to renew urgent warnings. The outbreak is caused by two lethal mushroom species, the death cap and western destroying angel. Three adults were hospitalized in Napa County after consuming toxic wild mushrooms.

Tuberculosis cases are rising in California, prompting an urgent warning due to the disease's increase. The 'Victorian' disease is a bacterial infection that mainly affects the lungs. California health officials are concerned about the growing number of cases.

California health officials are urging high-risk residents to get vaccinated against mpox after a potentially more-severe strain of the virus was detected for the first time in San Francisco. The advisory highlights concerns over the strain's increased severity.