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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 ...
The most common cause of human paragonimiasis is P. westermani, the oriental lung fluke. [7] About 22 million people are estimated to be affected yearly worldwide. [8] It is particularly common in East Asia. Paragonimiasis is easily mistaken for other diseases with which it shares clinical symptoms, such as tuberculosis and lung cancer. [5]
Humans usually contract paragonimiasis when they eat undercooked freshwater crabs (for instance species of the genus Nanhaipotamon) or crayfish, that contain live metacercariae. 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.
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Signs and symptoms of white lung pneumonia can vary based on what caused the illness in the first place, Dr. Ganjian says. However, these are the most common pneumonia symptoms, according to the ...
The lung fluke encysts within the tissue of crustaceans until the crustacean is consumed by humans or other animals. 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.
Intestinal flukes infect the gastrointestinal tract and can be caused by the species such as Fasciolopsis buski, Echinostoma, Metagonimus, Heterophyes, and Gastrodiscoides. [12] [5] Lung flukes, mainly the genus, Paragonimus, infect the lungs of organisms, causing infections that can last for up to 20 years in humans.
Bird flu is a scary illness with a high mortality rate. But so far, infections in the U.S. have been relatively mild—until now. A patient in Louisiana has been hospitalized with a severe case of ...
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