More than 100 Babesia spp. have been identified in wild and domestic animals.
Several Babesia spp. have been found to cause disease in humans. These are B. microti, Babesia crassa-like pathogen,
B. divergens, Babesia duncani, and Babesia venatorum, as well as several other Babesia that are closely genetically related (B. divergens-like, B. duncani-type, B. microti-like).
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