A: Typhus is a fleaborne illness that can cause serious infections in people. Typhus is caused by a microorganism called a Rickettsia. It can cause fevers, rash, and headaches in people and often requires hospitalization. There were 220 cases reported in L.A. County in 2025 with a recent outbreak in Santa Monica. It is spread from pets or wildlife that carry the infected flea. It can be diagnosed with a blood test. Prevent typhus by using proven flea control products on your pets. Keep pets away from stray animals and wildlife. Do not feed wild animals. Rats, opossums, and stray cats are common carriers of infected fleas.
Further information can be found on the websites for CDC and L.A. County Public Health.
If you have any questions, you can always contact Dr. Lavac at 310-828-4587.
