![]() microti-like) and Clade II ( Babesia ( s.l.)), respectively. conradae Kjemtrup, Wainwright, Miller, Penzhorn & Carreno, 2006, fall in Clade I ( B. vulpes Baneth, Cardoso, Brilhante-Simoes & Schnittger, 2019 and B. that can also cause disease in dogs, i.e. ![]() canis ( s.l.) (Clade VI: Babesia ( s.s.)). Molecular characterisation has indicated that B. canis ( sensu lato), it became common practice to refer to either a large or a small Babesia infecting dogs. gibsoni were generally smaller than those of B. Since the intraerythrocytic trophozoites and meronts of B. In 1910 a separate species, Babesia gibsoni (Patton, 1910), was described from dogs in India. Clinical manifestation of infection with these parasites also differed markedly in dogs, ranging from subclinical to peracute. During the next three decades, work by numerous researchers indicated clearly that there were three distinct, vector-specific parasite entities lumped under the name B. Babesia canis (Piana & Galli-Valerio, 1895) ( sensu stricto) was described and named in 1895 in northern Italy. Etymological provenance for Babesia vogeli is proposed.īabesiosis, a tick-transmitted disease affecting dogs in many parts of the world, is caused by various Babesia spp. Evidence is given of the growing realisation that there were substantial biological differences between stocks originating from different geographical regions. Research leading to identification of the specific tick vector species involved is documented. ![]() In this review the first records and descriptions of the disease in four geographical regions were traced: sub-Saharan Africa, Europe, North Africa and Asia. This substantial body of knowledge was overlooked or ignored for 50 years. Early research, from the 1890s to the 1930s, had shown that there were three distinctly different vector-specific parasite entities occurring in specific geographical regions, that host response to infection ranged from subclinical to acute, and that immunity to one stock of the parasite did not necessarily protect against infection with other stocks. For most of the 20th century the causative agent of canine babesiosis, wherever it occurred in the world, was commonly referred to as Babesia canis. ![]()
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