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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]
[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]
There are three tick species most commonly associated with humans which include: Lone Star tick is reddish-brown to tan in color. The adult females are identified by a single white spot on the back.
Ixodes scapularis is commonly known as the deer tick or black-legged tick (although some people reserve the latter term for Ixodes pacificus, which is found on the west coast of the US), and in some parts of the US as the bear tick. [2] It was also named Ixodes dammini until it was shown to be the same species in 1993. [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.
Tick-borne illness cases in the United States are up 25% since 2011, according to the Centers for Disease Control and Prevention. Among the cases is a rare disease, babesiosis, which is found ...
Babesia divergens is an intraerythrocytic parasite, transmitted by the tick Ixodes ricinus. [1] It is the most common cause of human babesiosis . [ 2 ] It is the main agent of bovine babesiosis , or "redwater fever", in Europe.