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Rev Argent Microbiol. 2007 Apr-Jun;39(2):90-2.

Prolonged fecal shedding of Shiga toxin-producing Escherichia coli among children attending day-care centers in Argentina.

Author information

1
Servicio Fisiopatogenia, Instituto Nacional de Enfermedades Infecciosas-ANLIS Dr. Carlos G. Malbrán, Av. Vélez Sarsfield 563 (1281) Buenos Aires, Argentina. emiliwebsky@anlis.gov.ar

Abstract

In this report we describe the detection and duration of fecal shedding of Shiga toxin-producing Escherichia coil (STEC) O157 and non-O157 in symptomatic and asymptomatic cases during four events occurred among children in day-care centers in Argentina. In each event, the cases were identified among children, family contacts and staff members of the Institution. The isolates were characterized by pheno-genotyping and subtyping methods. The STEC fecal shedding was prolonged and intermittent. Strains O157:H7 (1st event); O26:H11 (2nd event); O26:H11 (3rd event) and O145:NM (4th event) were shed during 23-30, 37, 31 and 19 days, respectively. Considering the possibility of STEC intermittent long-term shedding, symptomatic and asymptomatic individuals should be excluded from the Institution until two consecutive stool cultures obtained at least 48 h apart, test negative.

PMID:
17702253
[Indexed for MEDLINE]

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