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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Bibliographic Details
Main Authors: Yannick Vandendijck, Christel Faes, Niel Hens
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2013-01-01
Series:PLoS ONE
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23691162/?tool=EBI