eMedicine - Intestinal Flukes - Article by Chi Hiong U Go, MD. eMedicine - Trematode Infection - Article by Subhash Chandra Parija, MD, PhD that describes several flukes and the diseases they cause. FDA Bad Bug Book: Nanophyetus spp. - Undercooked fish carries this parasite. Features cause, symptoms, diagnosis, complications, associated foods, target populations, and outbreaks. CDC DPDx - Clonorchiasis - Factsheet with causal agents, life cycle, geographic distribution, laboratory diagnosis, and treatment. Undercooked freshwater fish from Asia carry the fluke. CDC DPDx - Fasciolopsiasis - Factsheet with causal agents, life cycle, geographic distribution, laboratory diagnosis, and treatment. CDC DPDx - Heterophyiasis - Factsheet with causal agents, life cycle, geographic distribution, laboratory diagnosis, and treatment. CDC DPDx - Opisthorchiasis - Factsheet with causal agents, life cycle, geographic distribution, laboratory diagnosis, and treatment. CDC DPDx - Paragonimiasis - Factsheet with causal agents, life cycle, geographic distribution, laboratory diagnosis, and treatment.