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Dermacentor variabilis. Dermacentor variabilis, also known as the American dog tick or wood tick, is a species of tick that is known to carry bacteria responsible for several diseases in humans, including Rocky Mountain spotted fever and tularemia ( Francisella tularensis ). It is one of the best-known hard ticks.
Jan 19, 2022 · Lyme disease is the most common vector-borne disease in the United States. Lyme disease is caused by the bacterium Borrelia burgdorferi and rarely, Borrelia mayonii. It is transmitted to humans through the bite of infected blacklegged ticks. Typical symptoms include fever, headache, fatigue, and a characteristic skin rash called erythema ...
Deer tick lifecycle As disease vector Deer tick 3D rendering of a male and female deer tick. Ixodes scapularis is the main vector of Lyme disease in North America. The CDC reported over 30,000 new cases of the disease in 2016 alone, the majority of which were contracted in the summer months, which is when ticks are most likely to bite humans.
B. burgdorferi is the causative agent of Lyme disease and is why this bacteria is so important and being studied. It is most commonly transmitted from ticks to humans. Humans act as the tick's host for this bacteria. Lyme disease is a zoonotic, vector-borne disease transmitted by the Ixodes tick (also the vector for Babesia and Anaplasma).
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 ...
Symptoms of Lyme disease. A circular or oval shape rash around a tick bite can be an early symptom of Lyme disease in some people. The rash can appear up to 3 months after being bitten by an infected tick, but usually appears within 1 to 4 weeks. It can last for several weeks. The rash can have a darker or lighter area in the centre and might ...
Mar 11, 2024 · Lyme Disease Map. *Due to the coronavirus disease 2019 (COVID-19) pandemic, 2019 and 2020 data from some jurisdictions may be incomplete. To access the data used for this dashboard go to data set [XLS – 283 KB]. Information on Lyme disease. Provided by the U.S. Centers for Disease Control and Prevention.
