Environmental and multi-host infestation of the brown dog tick, Rhipicephalus sanguineus in Owerri, South-east Nigeria- a case report

Abstract

The common brown dog tick, Rhipicephalus sanguineus is the most predominant tick of dogs in Nigeria. It does not readily attack humans but usually prefers non-human hosts for completion of its development. We report a case of multi-host and environmental infestation of Rhipicephalus sanguineus involving five humans, two canines and three ovine hosts at a peri-urban site in south-eastern Nigeria. Eleven cases of human infestation were recorded, ten of which involved children between the ages of 4 and 8 years, while a single case was recorded in an adult female. Among the domestic animals ticks were found attached to a 2-year-old male Alsatian, an 8- year-old mongrel and three West African dwarf (WAD) sheep comprising a ewe and her two lambs. This case of multi-host parasitism may have resulted from extensive bush clearing in the area resulting in non-availability of other alternative hosts

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