A new method for identifying blood meals of human origin in tsetse flies.
A new sensitive technique using the electrophoresis of superoxide dismutase to distinguish between tsetse blood meals of human and non-human origin is described. In Côte d'Ivoire, 602 blood meals were collected; 170 were from man (28.3%), 377 from animals (62.6%) and 55 were unidentified (9.1%) because no pattern was observed. When calculating the index of epidemiological risk, it is strongly correlated with the incidence of sleeping sickness cases.
Diallo
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BP
Institut Pierre Richet, OCCGE, Bouaké, Côte d'Ivoire.
Truc
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Laveissière
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D000818:Animals; D001769:Blood; D007560:Cote d'Ivoire; D004064:Digestive System / Q000201:enzymology; D004588:Electrophoresis, Cellulose Acetate / Q000379:methods*; D005247:Feeding Behavior; D006801:Humans; D015994:Incidence; D007303:Insect Vectors; D007527:Isoenzymes / Q000032:analysis; D013045:Species Specificity; D013482:Superoxide Dismutase / Q000032:analysis* / Q000097:blood; D014353:Trypanosomiasis, African / Q000453:epidemiology; D014370:Tsetse Flies / Q000201:enzymology
D007527:Isoenzymes; D013482:Superoxide Dismutase