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Babesia, [3] [4] also called Nuttallia, [5] is an apicomplexan parasite that infects red blood cells and is transmitted by ticks. Originally discovered by Romanian bacteriologist Victor Babeș in 1888; over 100 species of Babesia have since been identified.
People can get infected with Babesia parasites by the bite of an infected tick, by getting a blood transfusion from an infected donor of blood products, or by congenital transmission (an infected mother to her baby). [4] Ticks transmit the human strain of babesiosis, so it often presents with other tick-borne illnesses such as Lyme disease. [5]
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). The infected nymphal tick transmits B. burgdorferi via its saliva to the human during its blood meal. [25]
[1] [2] Humans are accidental hosts of Babesia in general, but B. microti is an important transfusion-transmitted infectious organism in humans. Between 2010 and 2014, it caused four out of 15 (27%) fatalities associated with transfusion-transmitted microbial infections reported to the US FDA (the highest of any single organism). [3]
Humans largely acquire babesiosis from deer ticks, whose bites can transmit Babesia parasites that infect red blood cells. Most transmission occurs from late May to early September.
A number of other bacteria are transmitted by ticks, such as Babesia (very important in the context of cattle), Ehrlichia (causes ehrlichiosis), Anaplasma (causes anaplasmosis), Rickettsia (causes Rocky Mountain Spotted Fever), and many others. [14]
Other ticks, like the Lone Star tick, for example, also transmit diseases. But infections from Lone Star ticks make up a small percentage of all tick-borne illnesses, per the CDC. View this post ...
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