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. 2008 Sep 18;6(35):509–518. doi: 10.1098/rsif.2008.0333

Figure 9.

Figure 9

Sample time series of infection prevalence showing difference in dynamics and mean periods of epidemics for models (a) without strain-transcending immunity; (b) with strain-transcending immunity. Antigenic genotype consists of four loci and three alleles, cross-immunity parameters are a=0.7 and b=0.8 in both cases and other parameters as figure 7.