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. 2011 Sep 6;6(9):e24043. doi: 10.1371/journal.pone.0024043

Figure 2. Optimal stationary health policy for Inline graphic$.,25000/QALY.

Figure 2

The conditions for recommending the use of the transmission-reducing intervention is presented within the triangle in the upper part of each figure. In disease states consistent with those that are captured within the grey cells, the intervention should be used. For instance, the transmission-reducing intervention should be implemented if the state of the disease is Inline graphic, and should not be used when the state of the disease is Inline graphic. The rectangle in bottom of this figure, labeled as “% of susceptibles to immunize at Inline graphic,” represents the optimal health policies for immunization before the start of epidemic given that vaccine is available at a market price.