Transmission of helminth infections occurs through several routes, including ingestion of contaminated food or water, direct skin penetration, and vector-borne transmission. For instance, soil-transmitted helminths like Ascaris, Trichuris, and hookworm larvae enter the body through contaminated soil. Schistosomiasis, a disease caused by trematodes, is transmitted when larval forms of the parasite penetrate the skin during contact with infested water.
