HUMAN TRYPANOSOMIASIS: UNIQUE TO AFRICA?

Comments on the article written by C. Gregory Knight entitled "The Ecology of African Sleeping Sickness," that was previously published in "Annals of the Association of American Geographers."Admirable presentation of the salient geographical aspects and implications of human trypanosomiasis; Year when Chagas' disease was first diagnosed; Consideration of some of the claims of Knight in the paper to be in excess of credibility.