Fig. 1
Transmission of Taenia solium in CystiAgent. (1) Pig trade: infected pigs are sold to other households inside and outside the village. (2) Pork consumption: infected pork meat is consumed by humans. (3) Human infection: susceptible humans (S) may be infected (I) with the adult-stage intestinal tapeworm through consuming heavily or lightly infected pork. (4) Travel: humans travel to other endemic villages where they may acquire tapeworm infections. (5) Open defecation: humans may practice open outdoor defecation. (6) Foraging: free-roaming pigs consume potentially infectious eggs present in the environment. (7) Pig infection: susceptible pigs (S) are exposed (E) to eggs or proglottids, and may become infected with heavy (IH) or light (IL) cyst infection