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. 2014 Apr 2;9(4):e89415. doi: 10.1371/journal.pone.0089415

Figure 5. Yearly incidence of IPD with different competition parameters.

Figure 5

A, IPD incidence, VT; B, IPD incidence, NVT; and C, IPD overall incidence. Yearly incidence per 100,000 population over time when different competition parameters are used: cN = 0, 0.04, and 0.37; and the mixing parameter is ε = 0.85. Each panel corresponds to a different age group. Note: the y-axis scales are different on each graph. Abbreviations: cN, competition parameter; ε, mixing parameter; IPD, invasive pneumococcal disease; NVT, non-vaccine types; VT, vaccine types.