The adult in the human small intestine is unarmed, that is, no hooks on the scolex. Humans are infected by eating undercooked beef. Cattle are infected by ingesting eggs on pasture, or from contaminated utensils (e.g. calves from the milk-bucket). Transmission: | The adult in the human small intestine is unarmed, that is, no hooks on the scolex. Humans are infected by eating undercooked beef. Cattle are infected by ingesting eggs on pasture, or from contaminated utensils (e.g. calves from the milk-bucket). Transmission: |