Tularemia, caused by Francisella tularensis, can be acquired six different ways: tick bite, deer fly bite, handling infected rabbit carcasses, inhaling contaminated dust from rodent nests, drinking contaminated water, and laboratory aerosol. The bacterium is one of the most infectious known to medicine - as few as ten organisms can cause disease.
Haemaphysalis leporispalustris feeds almost exclusively on cottontail rabbits and hares and seldom bites humans. It is nevertheless a key…
A single tick species, Amblyomma americanum, transmits ehrlichiosis from Ehrlichia chaffeensis and E. ewingii, tularemia, Heartland virus,…
Soft tick relapsing fever in the United States is largely a disease of mountain cabins above 3,000 feet in California, Nevada, Arizona,…
Coxiella burnetii was originally isolated from a Dermacentor andersoni tick in 1935, but in modern outbreaks human Q fever is almost…
Rhipicephalus sanguineus is a competent vector of Rickettsia rickettsii in the southwestern United States and northern Mexico, where…
Ornithodoros hermsi is a soft tick that lives in rodent nests inside walls and rafters of mountain cabins from California to Idaho. It…