[Antibiotic resistance of strains of Shigella dysenteriae and flexneri isolated in Tananarive and on the east coast of Madagascar].

From November 1988 to March 1989, stools from 804 Malagasy children were examined, thirty-seven strains of Shigella were isolated, from which 5 S. dysenteriae serotype 1 (= Shiga bacillus) strains were found to be resistant to ampicillin, carbenicillin, streptomycin, chloramphenicol, tetracycline, sulphonamide and even to trimethoprim. Resistance to trimethoprim has appeared only recently in Madagascar.