| north asian tick-borne rickettsiosis | One of the tick-borne rickettsial diseases of the eastern hemisphere, similar to rocky mountain spotted fever, but less severe, with fever, a small ulcer (eschar) at the site of the tick bite, swollen glands nearby (satellite lymphadenopathy), and a red raised (maculopapular) rash. (12 Dec 1998) |
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| North Queensland tick fever | A mild form of tick-borne typhus with eschar, adenopathy, rash, and fever, caused by Rickettsia australis and thought to be transmitted by the tick, Ixodes holocyclus. (05 Mar 2000) |
| Indian tick typhus | A febrile disease of the mediterranean area, the crimea, africa, and india, caused by infection with rickettsia conorii. (12 Dec 1998) |
| queensland tick typhus | One of the tick-borne rickettsial diseases of the eastern hemisphere, similar to rocky mountain spotted fever, but less severe, with fever, a small ulcer (eschar) at the site of the tick bite, swollen glands nearby (satellite lymphadenopathy), and a red raised (maculopapular) rash. (12 Dec 1998) |
| tick | <zoology> Any one of numerous species of large parasitic mites which attach themselves to, and suck the blood of, cattle, dogs, and many other animals. When filled with blood they become ovate, much swollen, and usually livid red in colour. Some of the species often attach themselves to the human body. The young are active and have at first but six legs. Any one of several species of dipterous insects having a flattened and usually wingless body, as the bird ticks (see under Bird) and sheep tick (see under Sheep). Tick bean, a small bean used for feeding horses and other animals. <botany> Tick trefoil, a name given to many plants of the leguminous genus Desmodium, which have trifoliate leaves, and joined pods roughened with minute hooked hairs by which the joints adhere to clothing and to the fleece of sheep. 3. <zoology> The whinchat; so called from its note. Death tick. Source: Websters Dictionary (01 Mar 1998) |
| tick-borne disease | <infectious disease> Diseases transmitted by ticks such as Rocky Mountain spotted fever, Q fever, and Lyme disease. (09 Oct 1997) |
| tick-borne diseases | Bacterial, viral, or parasitic diseases transmitted to humans and animals by the bite of infected ticks. The families ixodidae and argasidae contain many bloodsucking species that are important pests of man and domestic birds and mammals and probably exceed all other arthropods in the number and variety of disease agents they transmit. Many of the tick-borne diseases are zoonotic. (12 Dec 1998) |
| tick-borne encephalitis | 1. (Central European subtype) tick-borne meningoencephalitis caused by a flavivirus closely related to the virus causing the Far Eastern type; it is transmitted by Ixodes ricinus, also by infected raw milk, especially that of goats. Synonym: biundulant meningoencephalitis, Central European tick-borne fever, diphasic milk fever, Russian spring-summer encephalitis (Western subtype). 2. (Eastern subtype) tick-borne encephalitis, a severe form of encephalitis caused by a flavivirus, a virus belonging to the Flaviviridae family, and transmitted by ticks (Ixodes pertulcatus and I. Ricinus). Synonym: Russian tick-borne encephalitis. (05 Mar 2000) |
| tick-borne encephalitis virus | An arbovirus of the genus Flavivirus that occurs in Central Europe and the USSR in two subtypes, causing two forms of encephalitis in humans: tick-borne encephalitis (Central European subtype) and tick-borne encephalitis (Eastern subtype); the vectors are ticks of the genus Ixodes. Synonym: Russian spring-summer encephalitis virus, tick-borne virus. (05 Mar 2000) |
| tick-borne fever | A rickettsial disease of ruminants transmitted by the tick Ixodes ricinus in Europe and Rhipicephalus haemaphysaloides supina in India and characterised by pyrexia, depression, and anorexia. (05 Mar 2000) |
| tick-borne rickettsioses of the eastern hemisphere | Thare are 3 known diseases caused by infection with rickettsial agents. They are north asian tick-borne rickettsiosis, queensland tick typhus, and african tick typhus (fi |
| tick-borne rickettsiosis, north asian | One of the tick-borne rickettsial diseases of the eastern hemisphere, similar to rocky mountain spotted fever, but less severe, with fever, a small ulcer (eschar) at the site of the tick bite, swollen glands nearby (satellite lymphadenopathy), and a red raised (maculopapular) rash. (12 Dec 1998) |
| tick-borne virus | An arbovirus of the genus Flavivirus that occurs in Central Europe and the USSR in two subtypes, causing two forms of encephalitis in humans: tick-borne encephalitis (Central European subtype) and tick-borne encephalitis (Eastern subtype); the vectors are ticks of the genus Ixodes. Synonym: Russian spring-summer encephalitis virus, tick-borne virus. (05 Mar 2000) |
| tick control | Chemical, biological, or medical measures designed to prevent the spread of ticks or the concomitant infestations which result in tick-borne diseases. It includes the veterinary as well as the public health aspects of tick and mite control. (12 Dec 1998) |
| tick fever | <infectious disease> An acute febrile (feverish) disease initially recognised in the Rocky Mountain states, caused by Rickettsia rickettsii transmitted by hard-shelled (ixodid) ticks. Occurs only in the Western Hemisphere. The disease is characterised by sudden onset of headache, chills and fever which can persist for 2-3 weeks, muscle pain. A characteristic rash appears on the extremities and trunk about the 4th day of illness. The rickettsiae grow within damaged cells lining blood vessels which may become blocked by clots. Blood vessel inflammation (vasculitis) is widespread Early recognition of the condition and prompt antibiotic treatment is important in reducing mortality. Synonym: spotted fever, tick fever, and tick typhus. (25 Jun 1999) |