A parasitic infection caused by worms found in domestic animals. in humans nematode larvae enter the portal system from the small intestine and disseminate in visceral organs causing inflammatory reactions. signs and symptoms include eosinophilia, hepatomegaly, splenomegaly, and lung infections.

Visceral larva migrans (VLM) is a condition in humans caused by the migratory larvae of certain nematodes, humans being a dead-end host, and was first reported in 1952. Nematodes causing such zoonotic infections are Baylisascaris procyonis, Toxocara canis, Toxocara cati, and Ascaris suum...