diseases carried from person to person through other hosts such as animals or insects are known as
Zoonosis Zoonoses are infectious diseases of animals (usually vertebrates) that can naturally be transmitted to humans.[1][2]
Worm Worms may also be called helminths, particularly in medical terminology when referring to parasitic worms, especially the Nematoda (roundworms) and Cestoda (tapeworms) which reside in the intestines of their host. When an animal or human is said to "have worms", it means that it is infested with parasitic worms, typically roundworms or tapeworms. Lungworm is also a common parasitic worm found in various animal species such as fish and cats.