tick fever

(redirected from tick-bite fever)
Also found in: Dictionary, Thesaurus, Encyclopedia.

tick

 [tik]
a blood-sucking parasitic arachnid; there are two types, hard and soft. Hard ticks (family Ixodidae) have a smooth, hard cover that shields the entire back of the male but only the anterior portion of the back in the female. Soft ticks (family Argasidae) lack this shield. Ticks are visible to the human eye. A hard tick can be seen on the skin, where it burrows into the outer layer with its knifelike tongue; it must be removed from the skin with care. Soft ticks do not bore into the skin. The two varieties carry different diseases but both thrive in the spring and early summer and inhabit wooded areas, brush, or grass.



Ticks serve as vectors for viruses causing colorado tick fever and some forms of encephalitis and for rickettsiae that cause such diseases as rocky mountain spotted fever and boutonneuse fever. A progressive ascending flaccid paralysis called tick paralysis may follow the bite of certain species, usually Dermacentor andersoni.
Removal of Hard Ticks. If hard ticks are extracted from the skin immediately, before they begin to suck blood, the chances of their transmitting disease are lessened; probably the only damage done will be an irritating itch at the site. The Centers for Disease Control and Prevention recommends that ticks be removed intact with fine-tip tweezers. Once the head and body are removed, the tick should not be squeezed or crushed with the bare hands. The site should be washed with soap and water.
tick fever any of various infectious diseases transmitted by the bite of a tick. The causative parasite may be a rickettsia, as in rocky mountain spotted fever; a bacterium such as Babesia or Borrelia; or a virus, such as that of colorado tick fever.

tick fever

n.
Any of various febrile diseases transmitted by ticks, such as Rocky Mountain spotted fever and Texas fever.

tick fever

See Rocky Mountain spotted fever.

tick fe·ver

(tik fē'vĕr)
1. Any infectious disease of humans or other animals caused by a protozoan blood parasite, a bacterium, a rickettsia, or a virus, and transmitted by a tick.
2. The tick-borne variety of relapsing fever.
3. Synonym(s): bovine babesiosis.
5. Synonym(s): Colorado tick fever.
References in periodicals archive ?
The patient was treated with doxycycline 200 mg/day for 1 week for suspected African tick-bite fever. Follow-up showed a quick recovery from his symptoms except for fatigue that persisted for [approximately equal to] 1 month.
africae and confirmed the diagnosis of African tick-bite fever.
African tick-bite fever (ATBF), a recently rediscovered rickettsiosis of the spotted fever group, is caused by Rickettsia africae, an obligate intracellular, gram-negative, rod-shaped bacterium, transmitted by cattle ticks of the Amblyomma genus (1-5).
conorii is endemic in the same regions of Africa as tick-bite fever, differentiation of the 2 syndromes by characterization of their etiologic agents may be useful for diagnostic and epidemiologic studies (4,28,29).
Rickettsia africae is a recently described spotted fever group (SFG) rickettsia that is the agent of African tick-bite fever (ATBF), a mild but common tickborne disease of local persons and tourists, in particular, in sub-Saharan Africa.
The estimated incidence of African tick-bite fever in safari travelers is 4%-5.3% (4) but higher incidence may be reported as emphasized in our study.
These findings established a diagnosis of acute rickettsiosis, most likely African tick-bite fever. Hemagglutination inhibition testing of the serum samples also detected antibodies to chikungunya virus (47%) and flaviviruses (47%).
To date, African tick-bite fever has been characterized as a mild illness.
africae, has been identified as the agent of African tick-bite fever. In 2002, the first case report of a patient infected with R.