Onchocerca volvulus Life cycle, Morphology, Symptoms, Diagnosis and Treatment

Onchocerca volvulus is a filarial nematode that causes a disease commonly called River Blindness or Onchocerciasis; the vector of Onchocerca volvulus is the Similium species of black fly. This roundworm is a common cause of blindness worldwide. Onchocerca volvulus Epidemiology Onchocerca volvulus is the second leading cause of infectious blindness worldwide after trachoma; it …

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Schistosoma Japonicum Eggs and Life cycle

Schistosoma japonicum is a parasitic trematode (blood fluke) that causes a disease called Schistosomiasis in humans and other animals. S. japonicum is similar to Schistosoma mansoni but it infects both large and small bowel and produces a greater number of eggs than S. Mansoni; hence its disease, therefore, tends to be more severe, and rapidly progressive with …

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Schistosoma Haematobium Life cycle, Egg, Morphology, Symptoms and Treatment

Schistosoma haematobium is a blood fluke that causes a type of schistosomiasis known as Urinary Schistosomiasis because it affects the urinary tract and capable of causing bladder cancer. Schistosoma haematobium infection has an incubation period of 10 to 12 weeks or longer with morbidity rate as high as 50 to 70%. Schistosoma haematobium is the commonest of the different …

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Schistosoma Mansoni Life cycle, Symptoms, Egg Morphology, Treatment and Prevention

Schistosoma mansoni is a blood fluke that causes a disease commonly called Schistosomiasis or Bilharzia. There are many species of schistosoma parasites but schistosoma mansoni affects the gastrointestinal tract, hence it mainly causes intestinal Schistosomiasis. Schistosoma Mansoni Epidemiology Schistosoma mansoni is most common in Africa (Nile delta, Libya, southern Sudan, Senegal, Gambia, Cameroon …

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Schistosomiasis (Bilharzia) Symptoms, Life cycle, Transmission, and Treatment

Schistosomiasis is also called Bilharziasis or Bilharzia or Snail fever; Schistosomiasis is a disease caused by a parasitic worm called Schistosoma which is a blood fluke. Schistosomiasis is a serious parasitic disease that is regarded as second in the scale of its impact on human populations only to malaria; the disease is one of the most important …

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