Observations on a natural (cryptic) infection of trypanosomes in sparrows (Passer domesticus linnaeus).  I.  susceptibility of birds and mammals to the trypanosomes.
D000818:Animals; D001717:Birds; D004198:Disease Susceptibility; D008322:Mammals; D046370:Sparrows; D014352:Trypanosomiasis
TRYPANOSOMIASIS/experimental