The authors drawn epidemiological, clinical conclusions, and the geographical data concerning the diarrheas with Aeromonas in Ivory-Coast. The results relate to a study realized from January 1982 to July 1985. Out of the 1,594 excrements 627 germes have been isolated and among which 153 strains of aeromonas if for instance 24.4% of the whole germs. Aeromonas caviae is the most frequent species (50%) compared to 27.3% for Aeromonas sobria, and 22.7% for Aeromonas hydrophila.