Schistosoma malayensis

Schistosoma malayensis is a species of trematodes, commonly known as flukes. It is one of the Schistosoma species that cause schistosomiasis, a disease that affects humans and other mammals.

Taxonomy

The species was first described in 1997 by Greer, Ow-Yang and Yong from Malaysia. It is part of the Schistosoma indicum group, which also includes Schistosoma spindale, Schistosoma nasale, and Schistosoma sinensium.

Distribution

Schistosoma malayensis is found in Malaysia, particularly in the states of Pahang and Terengganu. It has also been reported in Thailand.

Life cycle

Like other Schistosoma species, S. malayensis has a complex life cycle involving two hosts: a freshwater snail and a mammal. The mammalian host is infected when it comes into contact with water contaminated with the parasite's cercariae, which penetrate the skin and develop into adult worms in the blood vessels.

Pathology

In humans, infection with S. malayensis can cause intestinal schistosomiasis. Symptoms can include abdominal pain, diarrhea, and blood in the stool. In severe cases, the disease can lead to liver damage, kidney failure, and bladder cancer.

Prevention and control

Prevention of S. malayensis infection involves avoiding contact with contaminated water and controlling the snail population. Treatment is with the drug praziquantel.

See also

• Schistosoma japonicum
• Schistosoma mekongi
• Schistosoma haematobium

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