Abstract
Taenia solium causes two different diseases. When the adult cestode infests the human intestine, taeniasis develops; it is generally asymptomatic, but the host becomes a continuous source of taenia eggs, which are expelled every day in the feces, which may then contaminate vegetables and food in areas with poor sanitary conditions. Cysticercosis develops when humans or pigs ingest food contaminated with taenia eggs, which cross the digestive tract, enter the circulation, and lodge in the tissues (usually the brain or muscles). Humans are the only hosts for the cestode, whereas both humans and pigs are hosts for the embryo. The . . .