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AFRICAN animal trypanosomosis, also known as ‘nagana’ in tropical Africa, is caused by haemoflagellated protozoa, primarily Trypanosoma congolense, Trypanosoma brucei subspecies brucei and Trypanosoma vivax. Trypanosomosis is a serious economic constraint to livestock and agriculture development in sub-Saharan Africa, causing livestock deaths and reduced productivity (Kristjanson 1999, Ilemobade 2009). Dogs are particularly susceptible to T congolense, which is transmitted cyclically by Glossina species (tsetse fly) (Greene 2006). T congolense can be classified into three types: savannah, forest and kilifi (Young and Godfrey 1983, Knowles and others 1988). T congolense savannah type was shown to be the most virulent type in cattle by Bengaly and others (2002).
Dogs pose a minimal risk for human infection; however, they seem to be important as a sentinel for infection (Greene 2006). Until now, there has been only one description of a chronically infected dog in Europe, 3.5 years after importation from Africa (Gow and others 2007). This short communication describes a …