Infestation with nematode worms of the genus trichostrongylus. Humans become infected by swallowing larvae, usually with contaminated food or drink, although the larvae may penetrate human skin. The disease is Monarch Disease Ontology entry MONDO_0005995 (trichostrongylosis). Also known as: Trichostrongyliasis, Trichostrongylus caused disease or disorder, Trichostrongylus disease or disorder, Trichostrongylus infectious disease, infection by Trichostrongylus, infection by Trichostrongylus species.