Norovirus gastroenteritis outbreak transmitted by food and vomit in a high school
作者： P. GODOY , M. ALSEDÀ , R. BARTOLOMÉ , D. CLAVERÍA , I. MÓDOL
DOI: 10.1017/S0950268815003283
关键词:
摘要: We investigated an outbreak of norovirus that affected students and teachers a high school in Lleida, Spain through various transmission mechanisms. A case-control epidemiological study the risk disease relative importance each mode was carried out. Cases controls were selected from systematic sample present at on 28 January. Faecal samples taken three food handlers 16 cases. The influence factor studied using adjusted odds ratio (aOR) estimated population attributable (ePAR) with 95% confidence intervals (CI). interviewed 210 people (42 cases, 168 controls). proportion symptoms these individuals nausea 78·6%, vomiting 59·5%, diarrhoea 45·2%, fever 19·0%. epidemic curve showed for least 4 days. associated exposure to (aOR 5·8) 66·1% cases vomit 4·7) 24·8% 11 patients two positive GII.12 g. Vomit may co-exist other modes outbreaks could explain large number
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