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May 5, 2024 · Maps show where the disease-carrying parasites live. Tick season is ramping up, and experts say people should take precautions before venturing outside. Of the 700 species of ticks in the...
- Janet Loehrke
- Graphics Journalist
May 15, 2024 · Of the many different tick species found throughout the world, only a select few bite and transmit bacteria, viruses, and parasites (pathogens) that cause diseases in people. The below maps show the general distribution of ticks that transmit diseases to humans in the contiguous United States.
- American Dog Tick (Dermacentor variabilis) The American dog tick have a dark brown body. Females have an off-white shield, while adult males look more mottled.
- Blacklegged “Deer” Tick (Ixodes scapularis) This tick is most easily identified by its reddish-orange body, black shield and dark black legs. Pathogens: The deer tick is known to transmit Borrelia burgdorferi (the agent of Lyme disease), Borrelia mayonii (which causes a Lyme-like illness), Borrelia miyamotoi and Borrelia hermsii (that both cause relapsing fever Borreliosis), Ehrlichia muris (ehrlichiosis), Anaplasma phagocytophilum (anaplasmosis), Babesia microti (babesiosis), multiple species of Rickettsia, deer tick virus, and Powassan virus.
- Brown Dog Tick (Rhipicephalus sanguineus) The brown dog tick is a reddish brown with a narrow shape in comparison to other ticks. Pathogens: All life stages of this tick can transmit Rocky Mountain spotted fever (Rickettsia rickettsia), Q Fever, and other rickettsioses to humans.
- Groundhog Tick (Ixodes cookei) The groundhog tick, also known as woodchuck tick, has a light brown or blond color. Pathogens: The groundhog tick is the primary vector for Powassan virus disease.
Found throughout the northeastern, mid-Atlantic, southeastern and northcentral United States, blacklegged ticks are known vectors of Lyme disease, anaplasmosis, human babesiosis, Powassan encephalitis, and more.
May 31, 2024 · American dog ticks, blacklegged ticks, and Lone Star ticks can all spread devastating diseases. Here's a map of where these ticks live.
Sep 2, 2020 · In this article, we look at the types of ticks that live in the United States and which diseases they carry. We also offer general advice on avoiding tick bites, removing ticks, and seeing...
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Jul 24, 2023 · A field guide on the most common disease-spreading ticks in North America—plus, tips on how to prevent bites. By Craig Caudill | Updated Jul 24, 2023 11:03 AM EDT. Conservation. CDC....
