Giardia infection for years

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Segíts te is az építésében! LeírásGiardia lamblia SEM lores.

giardia infection for years férgek 9 hónapos kezelés alatt álló gyermekeknél

Once an animal or person has been infected with this protozoan, the parasite lives in the intestine, and is passed in the stool. Because the parasite is protected by an outer shell, it can survive outside the body, and in the environment for long periods of time.

Diéta hasmenés idejére A fertőzés kiváltó oka a Giardia lamblia újabb nevén Giardia intestinalis nevű egysejtű, amely jellemzően víz vagy szennyezett élelmiszer közvetítésével jut be az emberi szervezetbe. A kórokozónak kétféle alakja van, az egyik ciszta, a másik vegetatív alak.

Cysts are resistant forms and are responsible for transmission of giardiasis. Both cysts and trophozoites can be found in the feces diagnostic stages. The cysts are hardy and can survive several months in cold water.

giardia infection for years

Infection occurs by the ingestion of cysts in contaminated water, food, or by giardia infection for years fecal-oral route hands or fomites. In the small intestine, excystation releases trophozoites each cyst produces two trophozoites.

giardia infection for years

Trophozoites multiply by longitudinal binary fission, remaining in the lumen of the proximal small bowel where they can be free or attached to the mucosa by a ventral sucking disk. Encystation occurs as the parasites transit toward the colon. The cyst is the stage found most commonly in non-diarrheal feces.

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Because the cysts are infectious when passed in the stool or shortly afterward, person-to-person transmission is possible. While animals are infected with Giardia, their importance as a reservoir is unclear.

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