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Paragonimus westermani (Japanese lung fluke or oriental lung fluke) is the most common species of lung fluke that infects humans, causing paragonimiasis. [2] Human infections are most common in eastern Asia and in South America. Paragonimiasis may present as a sub-acute to chronic inflammatory disease of the lung. It was discovered by Dutch ...
Paragonimiasis is a food-borne parasitic disease caused by several species of lung flukes belonging to genus Paragonimus. [4] Infection is acquired by eating crustaceans such as crabs and crayfishes which host the infective forms called metacercariae, or by eating raw or undercooked meat of mammals harboring the metacercariae from crustaceans.
In the intestine, the parasite will move into the abdomen and commonly into the lungs. In the lung, the parasites encyst and cross fertilize each other. The cyst eventually ruptures in the lungs and the eggs may be coughed up or swallowed and excreted in the feces. An egg landing in fresh water hatches and releases a ciliated miracidium.
Tabs for Parasite Biology, Image Gallery, Laboratory Diagnosis, and Treatment Information. Angiostrongylus+cantonensis at the U.S. National Library of Medicine Medical Subject Headings (MeSH) Sydney Morning Herald story of human infection , Example of Angiostrongylus cantonensis human infection: Hard to swallow: slug-eating dare causes rare disease
Once the fluke has been ingested, enzymes within the digestive tract of the consumer break down the parasitic cysts. The immature parasite continues to mature within the lungs of its new host, feeding on its intestine, and lay eggs. Mature lung flukes may breed year-round. P. kellicotti may live up to 20 years within a human host.
A parasite called Heterobilharzia americana, a flatworm commonly referred to as liver fluke, was behind the illness of the 11 dogs. The parasite normally makes its home in Texas and in the South.
Main article: Human parasite Endoparasites Protozoan organisms Common name of organism or disease Latin name (sorted) Body parts affected Diagnostic specimen Prevalence Source/Transmission (Reservoir/Vector) Granulomatous amoebic encephalitis and Acanthamoeba keratitis (eye infection) Acanthamoeba spp. eye, brain, skin culture worldwide contact lenses cleaned with contaminated tap water ...
Symptoms of lung fluke infections (Paragonimus) depend on the parasite’s stage in its life cycle, and how it travels around in the lung. [9] [3] Trematodiases that impact the lungs can cause cough, headache, chest pain, high temperature and change in appetite. [1] [5] Intestinal trematodiases infect the gastrointestinal tract. [12]
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