Parasite Name Cryptosporidium Geographic Distribution Worldwide distribution Image (include all stages) Life Cycle Swallowed in contanimanted water Hatch inside the body Multiply asexually Spread Host Intermediate: Definitive: Mammals, humans Disease Cryptosporidiosis: Causes diarrhea Diagnosis Examination of stool samples Treatment Nitazoxanide Prevention and Control Practicing good hygiene Parasite Name Helminths Geographic Distribution Africa, South America and Asia-Pacific Image (include all stages) Life Cycle Host Disease Diagnosis Treatment Prevention and Control Start in an egg Become Larvae Than adults Intermediate: Larval Definitive: Adult worms Hookworm Detection of helminth eggs in stool samples using microscopic techniques. Helminthic therapy, an experimental type of immunotherapy, is the treatment of autoimmune diseases and immune disorders by means of deliberate infestation with a helminth or with the eggs of a helminth. careful hand hygiene; washing, peeling, and cooking raw vegetables and fruit; and boiling or treating water