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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.
People who develop a rash or flu-like symptoms after a tick bite should contact their healthcare provider, the Health Department says. The U.S. Centers for Disease Control provides an overview of ...
Anaplasma phagocytophilum (formerly Ehrlichia phagocytophilum) [2] is a Gram-negative bacterium that is unusual in its tropism to neutrophils.It causes anaplasmosis in sheep and cattle, also known as tick-borne fever and pasture fever, and also causes the zoonotic disease human granulocytic anaplasmosis.
Relapsing fever, a disease spread by ticks and lice, has been proposed as a possible cause. It occurs most often during the summer months, as did the original sweating sickness. However, relapsing fever is marked by a prominent black scab at the site of the tick bite and a subsequent skin rash.
In the weeks following a tick bite, you may start to feel flu-like symptoms such as a fever, headache, chills, fatigue, and muscle and joint pain. Some people also develop a distinctive "bullseye ...
“If any person has unexplained symptoms, this awareness may help find a path forward.” Tick-borne diseases can cause confounding symptoms, allergies. Here's what to know.
Sweet syndrome (SS), or acute febrile neutrophilic dermatosis, [1] [2] is a skin disease characterized by the sudden onset of fever, an elevated white blood cell count, and tender, red, well-demarcated papules and plaques that show dense infiltrates by neutrophil granulocytes on histologic examination.
From ticks to spiders to bed bugs, here’s what the most common bug bites look like in photos, the symptoms to know, and whether or not they can be dangerous.