👉 A helminth is a type of microbe that lives in certain types of worms, such as roundworms or tapeworms. These worms have tiny spores and can infect humans through ingestion of contaminated food or water. Helminths are classified into three main categories: protozoans, nematodes, and cestodes. Protozoans include tapeworms, roundworms, and tapeworms, while nematodes include roundworms, tap