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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 BabeČ™ in 1888; over 100 species of Babesia have since been identified.
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Careful examination of multiple smears may be necessary, since Babesia may infect less than 1% of circulating red blood cells, thus be easily overlooked. [14] Serologic testing for antibodies against Babesia (both IgG and IgM) can detect low-level infection in cases with high clinical suspicion, but negative blood film examinations. Serology is ...
Babesia microti is a parasitic blood-borne piroplasm transmitted by deer ticks. B. microti is responsible for the disease babesiosis , a malaria -like zoonosis which causes fever, hemolytic anemia caused by hemolysis , and enlarged spleen.
Babesia canis is a parasite that infects red blood cells and can lead to anemia. [1] This is a species that falls under the overarching genus Babesia . It is transmitted by the brown dog tick ( Rhipicephalus sanguineus ) and is one of the most common piroplasm infections. [ 2 ]
Babesia microti Piroplasmida is an order of parasites in the phylum Apicomplexa . [ 3 ] [ 4 ] They divide by binary fission and as sporozoan parasites they possess sexual and asexual phases (sexual reproduction occurs in the tick gut [ 5 ] ).
Qualitative abnormalities of white blood cells, like toxic granulation, are also visible on the blood smear. Modern complete blood count analyzers can provide an automated white blood cell differential, but they have a limited ability to differentiate immature and abnormal cells, so manual examination of the blood smear is frequently indicated.
Babesia bigemina is a species of alveolates belonging to the phylum Apicomplexa and the family Babesiidae, a type of protozoan parasite. In cattle, it causes babesiosis , also called "Texas fever". Its length is 4–5 μm and its width is 2–3 μm.