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Figure 3 | BMC Public Health

Figure 3

From: Sharing experiences: towards an evidence based model of dengue surveillance and outbreak response in Latin America and Asia

Figure 3

Illustration of the different phases of a dengue outbreak and different levels of response. An example of an outbreak curve from Colombia in 2009 is shown here. An ‘outbreak alert’ is identified early through a combination of ‘alert signals’, and triggers an ‘initial response’. The evolution into ‘early’ and ‘full outbreaks’ are detected early using standard definitions and trigger appropriately staged ‘early’ and ‘emergency responses’.

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