Los Angeles faces surge in flea‑borne typhus cases

Flea‑borne typhus cases in Los Angeles County have risen sharply, with a reported 2,300 % increase since 2009 and record numbers recorded last year. The disease spreads through flea feces from rodents such as rats, opossums and stray cats, not by direct person‑to‑person contact.

Public health officials link the outbreak to a combination of factors: a growing rodent population, restrictions on certain rodenticides enacted by Governor Gavin Newsom, and expanding homeless encampments that provide unsanitary conditions. Mayor Karen Bass has been cited in commentary about the city’s broader challenges, including homelessness and infrastructure decay.

Experts warn that the unchecked rodent problem could allow other rodent‑borne illnesses, such as bubonic plague, to emerge if not addressed. City and county authorities are under pressure to improve pest control, revisit pesticide regulations, and address homelessness to curb the spread of the disease.