Duration of shedding of Verocytotoxin-producing Escherichia coli in children and risk of transmission in childcare facilities in England.
Epidemiol Infect
; 142(2): 327-34, 2014 Feb.
Article
in En
| MEDLINE
| ID: mdl-23672954
ABSTRACT
Exclusion of children with presumptive Verocytotoxin-producing Escherichia coli (VTEC) from childcare facilities until negative stool specimens are obtained is routine practice that disrupts families. We estimated the shedding and exclusion duration and transmission risk in such facilities. The study population comprised 225 children aged <6 years attending 201 childcare facilities in England with microbiologically confirmed VTEC in 2010-2011. We estimated the interval from onset to first negative specimen, and identified transmission events with secondary cases linked to facilities. The median duration of shedding was 31 days, and median period of exclusion was 39·5 days. Cases attending facilities while shedding VTEC did so for a median of 2 days before exclusion. Secondary cases occurred in 6/83 facilities (7%) attended by infectious cases. Despite evidence of VTEC shedding at facilities, transmission is relatively low. Revised control guidelines could consider supervised return for prolonged asymptomatic shedders.
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Child Day Care Centers
/
Escherichia coli Infections
/
Bacterial Shedding
Type of study:
Etiology_studies
/
Guideline
/
Prognostic_studies
/
Risk_factors_studies
Limits:
Child, preschool
/
Female
/
Humans
/
Male
Country/Region as subject:
Europa
Language:
En
Journal:
Epidemiol Infect
Journal subject:
DOENCAS TRANSMISSIVEIS
/
EPIDEMIOLOGIA
Year:
2014
Document type:
Article
Affiliation country:
Reino Unido