Research Article

Age-Dependent Estimates of the Epidemiological Impact of Pandemic Influenza (H1N1-2009) in Japan

Figure 5

Estimated proportion infected and the estimated cases with medical attendance by prefecture ( ). Scatter plot comparing the estimated proportion infected based on serological data and the estimated influenza-like illness (ILI) cases with medical attendance based on the notification from sentinel medical institutions. The proportion infected was estimated from the antibody titer during the hemagglutination inhibition assay adopting a cut-off value of 1 : 40.
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