New insights on the tapeworm using molecular tools: age-based human definitive host prevalence and deliberation on parasite life span.

Information on age-based taeniasis prevalence is crucial for control of cysticercosis. taeniasis prevalence was determined for a village in Liangshan Prefecture, Sichuan Province, China that was co-endemic for , and . Individuals who were egg-positive by stool microscopy and/or expelled tapeworms or proglottids post-treatment were diagnosed as having taeniasis.