Fascioliasis Overview and Impact

<p>Intermediate host (B)</p> Signup and view all the answers

<p>6 months (C)</p> Signup and view all the answers

<p>Miracidium (C)</p> Signup and view all the answers

<p>The adult is leaf-like with distinct suckers. (B)</p> Signup and view all the answers

<p>Eating metacercariae-contaminated vegetables (D)</p> Signup and view all the answers

<p>Herbivorous animals and humans (A)</p> Signup and view all the answers

<p>Encysted metacercaria (A)</p> Signup and view all the answers

<p>Liver rot (D)</p> Signup and view all the answers

<p>Pharyngeal fascioliasis leading to pharyngitis and laryngeal edema (A)</p> Signup and view all the answers

<p>Microscopic identification of eggs in stool (B)</p> Signup and view all the answers

<p>Eating raw liver (D)</p> Signup and view all the answers

<p>Snail Lymnaea cailliaudi (A)</p> Signup and view all the answers

<p>Ingestion of encysted metacercaria in contaminated water or plants (A)</p> Signup and view all the answers

A parasitic disease caused by Fasciola species, infecting humans accidentally.

The genus of parasitic flatworms that cause fascioliasis in humans and herbivores.

An organism that harbors the larval stage of a parasite.

The infective larval stage of Fasciola, found encysted on vegetation or in water.

The organism that harbors the adult parasitic stage.

The series of stages from egg to adult parasite, involving an intermediate host (snail) and a definitive host (human or animal).

Humans get infected by consuming vegetation or water containing infective metacercariae.

Found worldwide in areas where sheep and cattle are raised, including Europe, the Middle East, and Asia.

The infective stage of Fasciola is the encysted metacercaria. This stage is found on vegetation or in water and is the form that humans ingest to become infected.

The diagnostic stage of Fasciola infection is the eggs in stool. These eggs can be identified microscopically during a stool examination.

The main mode of infection for Fascioliasis is through the ingestion of encysted metacercariae, usually in contaminated water or on raw vegetables.

The acute phase of Fasciola infection is characterized by abdominal pain, hepatomegaly, fever, vomiting, diarrhea, and eosinophilia. These symptoms occur as the immature fluke migrates through the liver.

The chronic phase of Fascioliasis is characterized by biliary obstruction, inflammation, and liver rot. These symptoms arise from the adult fluke residing in the bile ducts.

Halzoun syndrome is a rare form of Fascioliasis caused by adult Fasciola adhering to the posterior pharyngeal wall. It is characterized by pharyngitis and laryngeal oedema and occurs when eating raw, infected liver.

Control strategies for Fascioliasis include treating infected animals, controlling snail populations, avoiding consumption of raw vegetables without washing, and avoiding drinking contaminated water. Additionally, eating raw liver should be avoided to prevent Halzoun syndrome.