Eight years of the Great Influenza Survey to monitor influenza-like illness in Flanders.

In 2003, an internet-based monitoring system of influenza-like illness (ILI), the Great Influenza Survey (GIS), was initiated in Belgium. For the Flemish part of Belgium, we investigate the representativeness of the GIS population and assess the validity of the survey in terms of ILI incidence durin...

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Autores principales:	Yannick Vandendijck, Christel Faes, Niel Hens
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2013
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/098c3f5cf11744579e5903f8eda31a19
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spelling	oai:doaj.org-article:098c3f5cf11744579e5903f8eda31a192021-11-18T07:45:17ZEight years of the Great Influenza Survey to monitor influenza-like illness in Flanders.1932-620310.1371/journal.pone.0064156https://doaj.org/article/098c3f5cf11744579e5903f8eda31a192013-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23691162/?tool=EBIhttps://doaj.org/toc/1932-6203In 2003, an internet-based monitoring system of influenza-like illness (ILI), the Great Influenza Survey (GIS), was initiated in Belgium. For the Flemish part of Belgium, we investigate the representativeness of the GIS population and assess the validity of the survey in terms of ILI incidence during eight influenza seasons (from 2003 through 2011). The validity is investigated by comparing estimated ILI incidences from the GIS with recorded incidences from two other monitoring systems, (i) the Belgian Sentinel Network and (ii) the Google Flu Trends, and by performing a risk factor analysis to investigate whether the risks on acquiring ILI in the GIS population are comparable with results in the literature. A random walk model of first order is used to estimate ILI incidence trends based on the GIS. Good to excellent correspondence is observed between the estimated ILI trends in the GIS and the recorded trends in the Sentinel Network and the Google Flu Trends. The results of the risk factor analysis are in line with the literature. In conclusion, the GIS is a useful additional surveillance network for ILI monitoring in Flanders. The advantages are the speed at which information is available and the fact that data is gathered directly in the community at an individual level.Yannick VandendijckChristel FaesNiel HensPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 8, Iss 5, p e64156 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Yannick Vandendijck Christel Faes Niel Hens Eight years of the Great Influenza Survey to monitor influenza-like illness in Flanders.
description	In 2003, an internet-based monitoring system of influenza-like illness (ILI), the Great Influenza Survey (GIS), was initiated in Belgium. For the Flemish part of Belgium, we investigate the representativeness of the GIS population and assess the validity of the survey in terms of ILI incidence during eight influenza seasons (from 2003 through 2011). The validity is investigated by comparing estimated ILI incidences from the GIS with recorded incidences from two other monitoring systems, (i) the Belgian Sentinel Network and (ii) the Google Flu Trends, and by performing a risk factor analysis to investigate whether the risks on acquiring ILI in the GIS population are comparable with results in the literature. A random walk model of first order is used to estimate ILI incidence trends based on the GIS. Good to excellent correspondence is observed between the estimated ILI trends in the GIS and the recorded trends in the Sentinel Network and the Google Flu Trends. The results of the risk factor analysis are in line with the literature. In conclusion, the GIS is a useful additional surveillance network for ILI monitoring in Flanders. The advantages are the speed at which information is available and the fact that data is gathered directly in the community at an individual level.
format	article
author	Yannick Vandendijck Christel Faes Niel Hens
author_facet	Yannick Vandendijck Christel Faes Niel Hens
author_sort	Yannick Vandendijck
title	Eight years of the Great Influenza Survey to monitor influenza-like illness in Flanders.
title_short	Eight years of the Great Influenza Survey to monitor influenza-like illness in Flanders.
title_full	Eight years of the Great Influenza Survey to monitor influenza-like illness in Flanders.
title_fullStr	Eight years of the Great Influenza Survey to monitor influenza-like illness in Flanders.
title_full_unstemmed	Eight years of the Great Influenza Survey to monitor influenza-like illness in Flanders.
title_sort	eight years of the great influenza survey to monitor influenza-like illness in flanders.
publisher	Public Library of Science (PLoS)
publishDate	2013
url	https://doaj.org/article/098c3f5cf11744579e5903f8eda31a19
work_keys_str_mv	AT yannickvandendijck eightyearsofthegreatinfluenzasurveytomonitorinfluenzalikeillnessinflanders AT christelfaes eightyearsofthegreatinfluenzasurveytomonitorinfluenzalikeillnessinflanders AT nielhens eightyearsofthegreatinfluenzasurveytomonitorinfluenzalikeillnessinflanders
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Eight years of the Great Influenza Survey to monitor influenza-like illness in Flanders.

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