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. 2021 Nov 23;224(Suppl 5):S612–S624. doi: 10.1093/infdis/jiab150

Figure 1.

Figure 1.

Typhoid infection and natural history. Boxes indicate compartments and arrows indicate transitions between compartments (new infections are further delineated via dashed arrows). Compartment abbreviations are as follows: C, carrier; IC, clinically infected; IS, subclinically infected; R, recovered; S, susceptible; V, vaccinated. New infections (transitions to the IC or IS compartments) are designated with dashed lines. Details are shown in the Supplementary Technical Appendix.