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. 2016 Mar 4;10(3):e0004425. doi: 10.1371/journal.pntd.0004425

Fig 1. The bivariate distribution of the susceptibility parameter α and cumulative cercarial exposure CT together with the marginal distribution of CT for simulated populations HP1 (light) and HP2 (dark).

Fig 1

In both populations the distribution of α is log normal with a geometric standard deviation of 4.5. αCT = 2 is the lower bound on the number of worms necessary to produce schistosome eggs.