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A total of 127 strains of Vibrio cholerae (117 V. cholerae O1 and 10 nonagglutinating strains) isolated from a recent cholera outbreak in Senegal and four strains isolated in Guinea-Bissau (during the survey of a cholera epidemic that occurred 10 months before the Senegalese one) were analyzed. Strains were characterized by conventional methods (biochemical(More)
Because the use of live attenuated mutants of Shigella spp. represents a promising approach to protection against bacillary dysentery (M. E. Etherridge, A. T. M. Shamsul Hoque, and D. A. Sack, Lab. Anim. Sci. 46:61-66, 1996), it becomes essential to rationalize this approach in animal models in order to optimize attenuation of virulence in the vaccine(More)
To the Editor: Rickettsia slovaca is a bacterium that infects Dermacentor marginatus ticks in central and western Europe. First detected in ticks, the bacterium was subsequently identified with genomic amplification by using polymerase chain reaction (PCR) followed by sequencing in a skin biopsy from a French patient (1). We describe the first isolation of(More)
We have studied the incidence of parasites, viruses and bacteria associated with acute infantile diarrhea in rural Senegal. Among parasitoses, Cryptosporidium parvum (7.7%) is the most frequent, followed by Entamoeba histolytica (5.1%). The first bacteriological etiologic agent is Escherichia coli (20.9%). Rotavirus are also frequently isolated (14.7%).(More)
We have studied the incidence of enteropathogenic (EPEC), enteroinvasive (EIEC) and enterotoxigenic (ETEC) Escherichia coli associated with infant acute diarrhoeal disease in Dakar during a period of one year. We report 405 strains of Escherichia coli suspected to be the etiologic agent of the diarrhoea and isolated from 405 diarrheic stools of 0-5 years(More)
The authors report the results of systematic research on Campylobacter pylori during high endoscopy. Of the 60 patients examined, 12 were found to have the germ in their antral, gastric mucosa. All these patients had a history of chronic gastritis. They recall the role of this germ in creating chronic gastritis, and evoke the hypothesis that the mucosa(More)
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