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Multiple enteropathogenic viruses in a gastroenteritis outbreak in a military exercise of the Portuguese Army

By António Lopes-João, Inês Costa, João R. Mesquita, Mónica Oleastro, Carlos Penha-Gonçalves and Maria S.J. Nascimento

Abstract

This deposit is composed by a publication in which the IGC's authors have had the role of collaboration (it's a collaboration publication). This type of deposit in ARCA is in restrictedAccess (it can't be in open access to the public), and can only be accessed by two ways: either by requesting a legal copy from the author (the email contact present in this deposit) or by visiting the following link: https://www.sciencedirect.com/science/article/pii/S1386653215001535?via%3Dihub#sec0040This work can also be accessed by visiting the following link: http://repositorio.insa.pt/handle/10400.18/3513This deposit is composed by the main article, and it hasn't any supplementary materials associated.This publication hasn't any creative commons license associated.Background Gastroenteritis is one of the most common infectious diseases in the military populations and can diminish operational effectiveness and impede force readiness. Objectives The present study investigates the cause and the source of an acute gastroenteritis outbreak that occurred during a military exercise of the Portuguese Army, in February 2013. Study Design A retrospective investigation was performed and stool samples, food items and water were screened for common foodborne bacteria and viruses, namely Norovirus GI, Norovirus GII, Astrovirus, Rotavirus, Adenovirus and Sapovirus. Results From the total of 160 soldiers that participated in the military exercise 20 developed gastroenteritis (attack rate of 12.5%). Symptoms were predominantly vomiting (n = 17, 85%) and diarrhoea (n = 9, 45%). The first cases occurred 24–48 h after drinking water from the creek, the plausible origin of the outbreak. The epidemic peak was registered 2 days after and the last cases 6 days after, upon returning to base. No pathogenic bacteria were found in stools however virological analysis revealed the presence of multiple enteropathogenic viruses, namely Norovirus GI (GI.3), Norovirus GII (GII.4 New Orleans 2009), Astrovirus and Sapovirus, as single or co-infections. Food and water samples were not tested for the presence of viruses due to exhaustion of samples on bacteriological analysis. Conclusions To the best of our knowledge this is the first report of a viral gastroenteritis outbreak among military personnel in the Portuguese Army.There are no funders and sponsors indicated explicitly in the document.info:eu-repo/semantics/publishedVersio

Topics: Military, Outbreak, Gastroenteritis, Enteropathogenic viruses
Publisher: 'Elsevier BV'
Year: 2015
DOI identifier: 10.1016/j.jcv.2015.05.008
OAI identifier: oai:arca.igc.gulbenkian.pt:10400.7/882
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