Tularemia, rabbit or deerfly fever, is a relatively rare
bacterial disease transmitted to humans and animals by the bite
of ticks. It is much less common that Lyme disease in California
and is primarily transmitted by summer ticks, the American
dog tick (Dermacentor variablis). It may be cured by
early diagnosis and appropriate antibiotic treatment.
How is Tularemia transmitted?
Through the bite of an infected tick or deerfly
Handling infected animal carcasses, most likely rodents or
Exposure of contaminated water
Breathing in Tularemia bacteria
This disease can be fatal if not treated immediately and with the
appropriate antibiotics. If you think you have Tularemia, seek
medical attention. Tularemia does not spread from person to
If I am bitten by a tick, will I get Tularemia?
Tularemia is very rare among ticks in San Mateo County. Less than
1% of the adult ticks tested were found to be infected with the
bacterium that causes this disease.
What are the signs and symptoms of Tularemia?
Symptoms vary depending on the method of transmission.