Protozoa (transmission)

lilyo's version from 2016-06-02 17:22


Question Answer
Giardia lambliacysts in water
Entamoeba histolyticacysts in water
Cryptosporidiumoocysts in water
Toxoplasma gondiicysts in meat, oocysts in cat feces, crosses placenta
Naegleria fowleriswimming in freshwater lakes, enters via cribriform plate
Trypanosoma bruceiTsetse fly, a painful bite
PlasmodiumAnopheles mosquito
BabesiaIxodes tick
Trypanosoma cruziReduviid bug feces, painless bit
Leishmania donovaniSandfly
Trichomonas vaginalisSexual
Enterobius vermicularis (pinworm)Fecal-oral
Ascaris lumbricoides (giant roundworm)fecal-oral, eggs visible in feces under microscope
Strongyloides stercoralis (threadworm)Larvae in soil penetrate the skin
Ancylostoma duodenale, Necator americanus (hookworms)Larvae penetrate skin
Trichinella spiralisfecal-oral, undercooked meat
Toxocara canisfecal-oral
Onchocerca volvulusfemale blackfly
Loa loadeerfly, horse fly, mango fly
Wuchereria bancroftifemale mosquito
Taenia soliumIngestion of larvae encysted in undercooked pork (intestinal), Ingestion of eggs contaminated with human feces (neurocysticercosis)
Diphyllobothrium latumingestion of larvae from raw freshwater fish
Echinococcus granulosusingestion of eggs from dog feces, sheep are an intermediate host
Schistosomasnails are host; cercariae penetrate skin of humans
Clonorchis sinensisundercooked fish