title: Ecological and physiological implications in the selection of trypanosome strains during cyclic transmission.
mesh_terms: D000820:Animal Diseases; D000818:Animals; D004463:Ecology; D005247:Feeding Behavior; D006801:Humans; D007303:Insect Vectors; D012641:Selection, Genetic; D014171:Transients and Migrants; D014345:Trypanosoma; D014353:Trypanosomiasis, African / Q000453:epidemiology / Q000209:etiology* / Q000235:genetics / Q000276:immunology / Q000662:veterinary; D014370:Tsetse Flies; D014774:Virulence