dailyloe.com – Los Angeles County has reported a record number of flea-borne typhus infections, with 220 confirmed cases in 2025. This marks a significant increase from the 187 cases recorded in 2024. Public health officials are urging residents, particularly pet owners, to take preventive measures.
The Los Angeles County Public Health Department identified the concerning surge in infections. Nearly 90% of those infected last year required hospitalization for treatment. This bacterial disease is transmitted by fleas that have bitten infected animals like rats or opossums.
Flea-borne typhus is caused by the bacterium Rickettsia typhi. According to the Centers for Disease Control and Prevention, fleas spread the disease to humans. Infection occurs when flea feces are rubbed into skin cuts, scrapes, or the eyes.
Case numbers have generally risen since 2021, which saw 141 infections. They increased to 171 in 2022 before a slight dip to 124 in 2023. The trend reversed sharply with the record 220 cases in 2025.
Cases were reported across the county, but authorities identified three localized outbreak areas in 2025. These specific hot spots highlight concentrated zones of transmission risk. Public health professionals emphasize several simple steps to avoid infection.
Preventive measures focus on controlling fleas on pets and in the home environment. Regular use of veterinarian-approved flea control products is crucial. Keeping yards clear of debris that shelters wild animals is also recommended.
The record case count underscores a growing public health concern in the region. Officials continue to monitor the situation and provide public guidance. Residents are advised to seek medical attention for symptoms like fever and rash.[]
Source: Los Angeles Times
