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Infectious disease. Tick-borne diseases, which afflict humans and other animals, are caused by infectious agents transmitted by tick bites. [1] They are caused by infection with a variety of pathogens, including rickettsia and other types of bacteria, viruses, and protozoa. [2] The economic impact of tick-borne diseases is considered to be ...
The first ehrlichial disease was recognized in South Africa during the 19th century. Its tick-borne nature was determined in 1900. The organism itself was demonstrated in 1925 when it was recognized to be a Rickettsia. It was initially named Rickettsia ruminantium, and is currently named Ehrlichia ruminantium. In 1945, an "infection and ...
Powassan Virus (POWV) is the only tick-borne flavivirus endemic in North America. [2] POWV human illnesses have been reported in the United States, Canada and Russia. [2] POWV has different genetic variations including deer tick virus (DTV) which is transmitted by the black-legged tick (aka deer tick), Ixodes scapularis. [27]
Lyme disease, also known as Lyme borreliosis, is a tick-borne disease caused by species of Borrelia bacteria, transmitted by blood-feeding ticks in the genus Ixodes. [4][9][10] The most common sign of infection is an expanding red rash, known as erythema migrans (EM), which appears at the site of the tick bite about a week afterwards. [1]
Frequency. ~200 cases per year (US) [7] Tularemia, also known as rabbit fever, is an infectious disease caused by the bacterium Francisella tularensis. [4] Symptoms may include fever, skin ulcers, and enlarged lymph nodes. [3] Occasionally, a form that results in pneumonia or a throat infection may occur.
Heartland bandavirus, sometimes called Heartland virus (HRTV), is a tick-borne phlebovirus of the Bhanja virus serocomplex discovered in 2009. The lone star tick transmits the virus to people when feeding on blood. As of 2017, only five states in the Central United States have reported 20 human infections, namely Arkansas, Indiana, Missouri ...
Human granulocytic anaplasmosis (HGA) is a tick-borne, infectious disease caused by Anaplasma phagocytophilum, an obligate intracellular bacterium that is typically transmitted to humans by ticks of the Ixodes ricinus species complex, including Ixodes scapularis and Ixodes pacificus in North America. These ticks also transmit Lyme disease and ...
Ticks and Tick-Borne Diseases; Tularemia This page was last edited on 2 September 2024, at 19:24 (UTC). Text is available under the Creative Commons ...