Common name of organism or disease | Latin name (sorted) | Body parts affected | Diagnostic specimen | Prevalence | Transmission/Vector |
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Ancylostomiasis/Hookworm | Ancylostoma duodenale, Necator americanus | lungs, small intestine, blood | stool | common in tropical, warm, moist climates | penetration of skin by L3 larva |
Roundworm - Parasitic pneumonia | Ascaris sp. Ascaris lumbricoides | Intestines, liver, appendix, pancreas, lungs, Löffler's syndrome | stool | common in tropical and subtropical regions | |
Roundworm | Baylisascaris Baylisascaris procyonis, Baylisascaris melis, Baylisascaris transfuga, Baylisascaris columnaris, Baylisascaris devosi, Baylisascaris laevis | | | | depending on species: ingestion of material contaminated by stool from raccoons, badgers, bears, otters, martens |
| Brugia malayi, Brugia timori | lymph nodes | blood samples | tropical regions of Asia | Arthropods |
Tapeworm - Tapeworm infection | Cestoda | intestine | stool | rare | |
Clonorchiasis | Clonorchis sinensis; Clonorchis viverrini | | | | |
| Dicrocoelium dendriticum | gall bladder | | rare | ingestion of ants |
Diphyllobothriasis - tapeworm | Diphyllobothrium latum | intestines, blood | stool (microscope) | Europe, Japan, Uganda, Peru, Chile | ingestion of raw fresh water fish |
Guinea worm - Dracunculiasis | Dracunculus medinensis | subcutaneous tissues, muscle | skin blister/ulcer | sub-Saharan Africa, arid regions | |
Echinococcosis - tapeworm | Echinococcus granulosus, Echinococcus multilocularis, E. vogeli, E. oligarthrus | liver, lungs, kidney, spleen | imaging of hydatid cysts in the liver, lungs, kidney and spleen | Mediterranean countries | as intermediate host, ingestion of material contaminated by feces from a carnivore; as definite host, ingestion of uncooked meat (offal) from a herbivore |
| Echinostoma echinatum | small intestine | | Far East | ingestion of raw fish, mollusks, snails |
Liver fluke - Fasciolosis[3] | Fasciola hepatica, Fasciola gigantica | liver, gall blader | stool | Fasciola hepatica in Europe, Africa, Australia, the Americas and Oceania; Fasciola gigantica only in Africa and Asia, 2.4 million people infected by both species | freshwater snails |
Fasciolopsiasis - intestinal fluke[4] | Fasciolopsis buski | intestines | stool or vomitus (microscope) | East Asia - 10 million people | ingestion of infested water plants or water (intermediate host:amphibic snails) |
Gnathostomiasis[5] | Gnathostoma spinigerum, Gnathostoma hispidum | subcutaneous tissues (under the skin) | physical examination | rare - Southeast Asia | ingestion of raw or undercooked meat (eg, freshwater fish, chicken, snails, frogs, pigs) or contaminated water |
Hymenolepiasis[6] | Hymenolepis nana, Hymenolepis diminuta | | | | ingestion of material contaminated by flour beetles, meal worms, cockroaches |
Loa loa filariasis, Calabar swellings | Loa loa filaria | Connective tissue, lungs, eye | blood (Giemsa, haematoxylin, eosin stain) | rain forest of West Africa - 12-13 million people | Tabanidae - horse fly, bites in the day |
Mansonelliasis, Filariasis | Mansonella streptocerca | subcutaneous layer of skin | | | insect |
Metagonimiasis - intestinal fluke | Metagonimus yokogawai | | stool | Siberia, Manchuria, Balkan states, Israel, Spain | ingestion of undercooked or salted fish |
Chinese Liver Fluke | Opisthorchis viverrini, Opisthorchis felineus, Clonorchis sinensis | bile duct | | 1.5 million people in Russia | consuming infected raw, slightly salted or frozen fish |
Paragonimiasis, Lung Fluke | Paragonimus westermani; Paragonimus africanus; Paragonimus caliensis; Paragonimus kellicotti; Paragonimus skrjabini; Paragonimus uterobilateralis | lungs | sputum, feces | East Asia | ingestion of raw or undercooked freshwater crabs crayfishes or other crustaceans |
Anisakiasis[7] | Anisakis | allergic reaction | biopsy | incidental host | ingestion of raw fish, squid, cuttlefish, octopus |
Pinworm - Enterobiasis | Enterobius vermicularis, Enterobius gregorii | intestines, anus | stool; tape test around anus | widespread; temperate regions | |
Whipworm | Trichuris trichiura, Trichuris vulpis | large intestine, anus | stool (eggs) | common worldwide | accidental ingestion of eggs in dry goods such as beans, rice, and various grains or soil contaminated with human feces |
Trichinosis | Trichinella spiralis, Trichinella britovi, Trichinella nelsoni, Trichinella nativa | muscle, periorbital region, small intestine | blood | more common in developing countries due to improved feeding practices in developed countries. | ingestion of undercooked pork |
ElephantiasisLymphatic filariasis | Wuchereria bancrofti | lymphatic system | thick blood smears stained with hematoxylin. | Tropical and subtropical | mosquito, bites at night |
River blindness | Onchocerca volvulus, Onchocerciasis | skin, eye, tissue | bloodless skin snip | Africa, Yemen, Central and South America near cool, fast flowing rivers | Simulium/Black fly, bite during the day |
Schistosomiasis - bilharzia, bilharziosis or snail fever | Schistosoma mansoni - intestinal schistosomiasis; Schistosoma haematobium - urinary schistosomiasis; Schistosoma japonicum, Schistosoma mekongi - Asian intestinal schistosomiasis | Schistosoma haematobium - kidney, bladder, ureters, lungs, skin; Schistosoma mansoni/Schistosoma japonicum - intestine, liver, spleen, lungs, skin | Schistosoma haematobium - urine; Schistosoma mansoni/Schistosoma japonicum - stool | Africa, Caribbean, eastern South America, east Asia, Middle East - 200 million people | skin exposure to water contaminated with infected Neritoidea - fresh water snails |
Sparganosis | Spirometra erinaceieuropaei | | | | ingestion of material contaminated with infected dog or cat feces (humans: dead-end host) |
Strongyloidiasis - Parasitic pneumonia | Strongyloides stercoralis | Intestines, lungs, skin (Larva currens) | stool, blood | | skin penetration |
Beef tapeworm | Taenia saginata | Intestines | stool | worldwide distribution | ingestion of undercooked beef |
Pork tapeworm | Taenia solium | | | | ingestion of undercooked pork |
Toxocariasis | Toxocara canis, Toxocara cati | liver, brain, eyes (Toxocara canis - Visceral larva migrans, Ocular larva migrans) | blood, ocular examination | worldwide distribution | pica, unwashed food contamined with Toxocara eggs, undercooked livers of chicken |
Swimmer's itch | Trichobilharzia regenti, Schistosomatidae | | | | skin exposure to contaminated water (snails and vertebrates) |
Dioctophyme renalis infection | Dioctophyme renale | kidneys (typically the right) | Urine | Worldwide | Ingestion of undercooked or raw freshwater fish |