title: Species and serovars of enteropathogenic agents associated with acute diarrheal disease in Rosario, Argentina.
abstract: We report the most frequent species and serovars of enteropathogenic organisms in Rosario from 1985 to 1993. Enteropathogenic Escherichia coli was the most prevalent agent affecting 144/570 (25.2%) children; 0111 represented 41.8%, 055: 13.6%, 0119: 12.7%. Among enterotoxigenic E. coli (ETEC) the most frequent were ETEC-ST 0128:H21 and 0153:H45. Shigella spp were isolated in 8.8%; S. flexneri: 7%, principally type 2 (59.5%); S. sonnei: 1.6%, and S. dysenteriae type 2: 0.2%. Campylobacter spp were found in 6.1% of patients; C. jejuni: 4.6%; C. coli: 1.4% and C. lari: 0.2%; except groups 0 13.50 and 0 4 (2 cases each), no predominant serogroups were found. Salmonella was isolated in 2.8% of cases, being the predominant serovar S. typhimurium until 1986, but a dramatically increase of cases due to S. enteritidis was observed since 1987. There was 1.9% of Aeromonas spp and 2 cases due to Vibrio cholerae non 0-1. No Yersinia was found. In patients with gastroenteritis due to Shigella, Campylobacter, Salmonella, or EPEC as the unique pathogen, leukocytes were observed in the faeces in 70%, 50%, 20%, and 10% of cases respectively.
authors: Facultad de Ciencias Médicas, Universidad Nacional de Rosario, Argentina.
authors: R
authors: R
authors: Notario
authors: N
authors: N
authors: Borda
authors: T
authors: T
authors: Gambande
authors: E
authors: E
authors: Sutich
mesh_terms: D000208:Acute Disease; D000333:Aeromonas / Q000302:isolation & purification; D000367:Age Factors; D001118:Argentina / Q000453:epidemiology; D002167:Campylobacter / Q000302:isolation & purification; D002675:Child, Preschool; D003967:Diarrhea / Q000453:epidemiology / Q000382:microbiology*; D004755:Enterobacteriaceae / Q000302:isolation & purification*; D004926:Escherichia coli / Q000302:isolation & purification; D005243:Feces / Q000382:microbiology; D006801:Humans; D012760:Shigella / Q000302:isolation & purification