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Figure 5 | BMC Public Health

Figure 5

From: GET WELL: an automated surveillance system for gaining new epidemiological knowledge

Figure 5

Data on "influenza", 2009. From the top: queries on influenza on Google according to Google Insights for Search (data are normalized and scaled); queries on influenza on the medical web site VĂ„rdguiden (data are normalized); Google flu trends estimates; estimates from tailored VĂ„rdguiden model; sentinel influenza data reported to SMI. Data are from week 50, 2008 to week 49, 2009.

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