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  1. Aeromonads in acute diarrhoea and asymptomatic infections in Nigerian children.

    Article - En anglais

    Stool samples of 616 asymptomatic and 296 diarrhoeic school children were compared for the recovery rate of Aeromonas spp. on ampicillin (10 mug/ml) sheep blood agar.

    Culture filtrates of isolates were tested for heat-stable enterotoxin by the infant mouse test and haemolysin production with 1% freshly washed rabbit erythrocytes.

    Stools of 9 (3.0%) diarrhoeic children yielded five strains of A. hydrophila and four of A. veronii (two each of biotypes sobria and veronii), compared to 12 (1.9%) (p>0.01) asymptomatic children who harbored seven A. hydrophila and five A. caviae strains.

    Isolates from-diarrhoeic stools were exclusively from children ¾5 years, while all infected asymptomatic children were =6 years.

    Culture filtrates of all nine diarrhoeic strains were uniformly enterotoxigenic (intestinal weight ratio>0.083) and produced haemolysin titres>128.

    These phenotypes where variable in carriage strains of A. hydrophila but were not detected in A. caviae.

    The recovery of A. hydrophila, and A. veronii biotypes from diarrhoeic stools of children ¾5 years may suggest their involvement in diarrhoea causation in the absence of other diarrhoeagenic agents.

    Mots-clés Pascal : Diarrhée, Aigu, Aeromonas, Vibrionaceae, Bactérie, Bactériose, Infection, Isolat clinique, Etiologie, Exploration bactériologique, Enfant, Homme, Age scolaire, Nigéria, Afrique, Appareil digestif pathologie, Intestin pathologie

    Mots-clés Pascal anglais : Diarrhea, Acute, Aeromonas, Vibrionaceae, Bacteria, Bacteriosis, Infection, Clinical isolate, Etiology, Bacteriological investigation, Child, Human, School age, Nigeria, Africa, Digestive diseases, Intestinal disease

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 95-0367558

    Code Inist : 002B05B02F. Création : 01/03/1996.