Los Angeles County Faces Record Flea‑Borne Typhus Outbreak

Record Surge

The Los Angeles County Department of Public Health reported 220 confirmed flea‑borne typhus cases for 2025, the highest count ever recorded. Hospitalizations approached 90 % of patients, underscoring the disease’s severity.

Who Is at Risk

The infection spreads through flea bites or contact with flea feces on skin cuts. Stray animals, rodents, opossums and pets that roam outdoors harbor the vectors. Cases rose from 187 in 2024, indicating a steady upward trend.

Public Health Response

Officials have issued urgent advisories, urging residents to treat pets for fleas, keep yards clean, and seek medical care promptly if fever, headache or rash appear. Antibiotics remain effective when administered early.

Prevention Tips

• Use veterinarian‑recommended flea control on dogs and cats.
• Vacuum homes regularly and wash bedding.
• Seal cracks that allow wildlife entry.
• Promptly clean any flea‑infested areas.