A waterborne gastroenteritis outbreak caused by a gii norovirus in a holiday camp in catalonia (Spain), 2017
Carol, Mónica (Agència de Salut Pública de Catalunya)
Guadalupe-Fernández, Víctor (Agència de Salut Pública de Catalunya)
Rius i Gibert, Maria Cristina (Agència de Salut Pública de Catalunya)
Soldevila, Nuria (Universitat de Barcelona. Departament de Medicina)
Razquin, Efrén (Laboratory of Barcelona Public Health Agency (ASPB))
Guix, Susana (Universitat de Barcelona. Institut de Recerca en Nutrició i Seguretat Alimentària)
Domínguez, Ángela (Universitat de Barcelona. Departament de Medicina)

Data:	2021
Resum:	On 2 February 2017, Epidemiological Surveillance Services were notified of an outbreak of acute gastroenteritis (AGE) among schoolchildren who had taken part of a school trip from 30 January to 3 February 2017 at a holiday camp in Catalonia. A retrospective cohort study was performed to identify the causative agent, estimate the magnitude of the outbreak and identify its source, as well as to determine the route of transmission. Data collected by standardised questionnaires identified 41 episodes of AGE among 174 individuals who attended the camp. Cases had mainly symptoms of abdominal pain (73. 8%), nausea (64. 3%), vomiting (54. 8%), diarrhoea (45. 2%) and headache (42. 9%). Consumption of water was associated with gastroenteritis (crude RR: 1. 72, 95%CI: 1. 01-2. 92; adjusted RR: 1. 88, 95%CI 1. 03-3. 56). NoV GII was detected in faeces (5 out of 13) and water samples. Additionally, faecal indicator bacteria and protozoa were detected in water samples. The outbreak showed a high attack rate and was caused by a natural water fountain not properly treated and not monitored for safety quality. There could have been a discharge of wastewater at a point close to the fountain; however, the source of contamination of the water could not be identified. Health education may be useful to eliminate risks associated with the consumption of untreated water from natural fountains.
Ajuts:	Instituto de Salud Carlos III PI16/02005 Agència de Gestió d'Ajuts Universitaris i de Recerca 2017/SGR 1342
Nota:	Altres ajuts: Fondo Europeo de Desarrollo Regional (FEDER) "Investing in your future".
Drets:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.
Llengua:	Anglès
Document:	Article ; recerca ; Versió publicada
Matèria:	Norovirus ; Disease outbreaks ; Waterborne diseases ; Gastroenteritis
Publicat a:	Viruses, Vol. 13 Núm. 9 (september 2021) , p. 1792, ISSN 1999-4915

DOI: 10.3390/v13091792
PMID: 34578373

9 p, 4.0 MB

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