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. 2011 Jan 4;5(1):e935. doi: 10.1371/journal.pntd.0000935

Figure 3. Discrete time simulation shows that as years go by, multitypic immunity accumulates among adults.

Figure 3

Results of discrete-time simulation to show the accumulation of multitypic and monotypic immunity 10, 20, and 30 years after the introduction of dengue virus into a previously susceptible population, and at equilibrium. Inline graphic (DENV 1, 2 and 3)  = 0.05.