Flea-borne typhus is slamming Los Angeles County this year, with health officials reporting a record 220 cases and nearly 90% of patients landing in the hospital. Clusters have turned up in central Los Angeles, Santa Monica and Willowbrook as investigators scramble to trace exposures and keep the outbreak from widening.
The county shared the latest figures with local media this week, and MyNewsLA reports that the Los Angeles County Department of Public Health logged 187 cases in 2024. Officials say the 2026 total so far is an all-time high, with most patients hospitalized for supportive care and antibiotics.
In a statement to MyNewsLA, Los Angeles County Health Officer Dr. Muntu Davis did not mince words: “Flea-borne typhus can cause serious illness, but it is preventable with simple steps.” He urged residents to stay on top of flea treatment for pets, avoid handling or feeding stray animals and lock down trash and other attractants that might lure wildlife into yards and alleys.
Where cases are clustering
Public health teams have zeroed in on Central Los Angeles, Santa Monica and Willowbrook for targeted outreach and environmental control while continuing surveillance across the wider county. According to the Los Angeles County Department of Public Health, people are often exposed in or near their homes when infected fleas hitch a ride indoors on pets or wildlife such as opossums and rodents.
Symptoms and treatment
Officials say symptoms usually kick in within one to two weeks of exposure. The illness often starts like a rough flu, with fever, headache and body aches, and sometimes a rash. The Centers for Disease Control and Prevention notes that doxycycline is the recommended treatment and advises clinicians not to wait for lab confirmation before starting antibiotics when flea-borne typhus is suspected.
How to protect your home and pets
County guidance urges year-round flea control for dogs and cats, along with some basic but important home and yard hygiene. Officials recommend clearing away debris and food sources that attract animals, sealing up openings where wildlife could nest, and steering clear of contact with stray animals.
Residents who are worried about symptoms or possible exposure are encouraged to contact local animal services or speak with a healthcare provider about testing and treatment options.
For more information and patient education materials, visit the Los Angeles County Department of Public Health typhus page, which includes flyers, clinician guidance and reporting instructions for suspected cases.
