Coxiella burnetii was originally isolated from a Dermacentor andersoni tick in 1935, but in modern outbreaks human Q fever is almost entirely acquired by inhaling aerosols from infected sheep, goats, and cattle - particularly birthing fluids. Ticks maintain the organism in wildlife, but tick bites cause only a small minority of human cases.
Q fever is named not for a place but for the word query - Australian researcher Edward Holbrook Derrick coined it in 1937 for an…
Tularemia, caused by Francisella tularensis, can be acquired six different ways: tick bite, deer fly bite, handling infected rabbit…
Tick-borne encephalitis is overwhelmingly transmitted by Ixodes ricinus and I. persulcatus bites, but small European outbreaks regularly…
A single tick species, Amblyomma americanum, transmits ehrlichiosis from Ehrlichia chaffeensis and E. ewingii, tularemia, Heartland virus,…
Dermacentor occidentalis transmits Rickettsia 364D (now classified as Rickettsia rickettsii subsp. californica), the cause of Pacific…
Ixodes cookei is the textbook vector of Powassan virus lineage 1 in eastern North America, but it almost never bites humans. Its host…