sleeping sickness is caused by which type of microorganism course hero

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What is the parasite that causes sleep sickness?

Parasites - African Trypanosomiasis (also known as Sleeping Sickness) minus. Related Pages. African Trypanosomiasis, also known as “sleeping sickness”, is caused by microscopic parasites of the species Trypanosoma brucei. It is transmitted by the tsetse fly ( Glossina species), which is found only in sub-Saharan Africa.

Where is trypanosomiasis transmitted?

b. gambiense causes a slowly progressing African trypanosomiasis in western and central Africa and T. b.

What is Sleeping Sickness?

Sleeping sickness is a tropical disease that can prove fatal if not treated properly. It spreads through the bite of the Tsetse fly, a species that is native to the African continent. The people living in the rural parts of Africa are more at risk of contracting this disease.

What causes sleep sickness?

Sleeping Sickness Causes. The two parasites named Trypanosoma brucie gambiense and Trypanosoma brucie rhodesiense cause this disease. These parasites are present in the flies like the Tsetse fly that is mainly involved in transmitting the disease. When this fly bites the humans, the infection spreads throughout the body through the blood.

How do you know if you have sleep sickness?

Few symptoms of sleeping sickness are listed below: An unclear speech. Seizures. Irritation. Swelling of the brain. Swelling of the lymph nodes. Causes weakness in the body. Feeling of sleeplessness. Severe sweating.

How to prevent tsetse fly?

Early recognition of the disease might help to avoid the difficulty and major risks. Some of the prevention and treatment measures include: 1 Early treatment of the infected persons, including the person showing no symptoms. 2 Using insecticides to protect oneself against the bite of Tsetse fly. 3 By maintaining clearings around the villages and also residential areas. 4 Use of repellents or fly traps to stay away from the flies.

What causes sleeping sickness in humans and naganas?

Under nonsanitary conditions the common housefly Musca …. dipteran: Importance. …transmitted by tsetse flies, cause sleeping sickness in humans and nagana in animals throughout tropical Africa. These trypanosomes must spend part of their life cycle in the insect before they can infect a vertebrate.

How did West African sleeping sickness control?

Historically, epidemics of West African sleeping sickness were controlled in part through the administration of prophylactic doses of pentamidine to village populations. The destruction of wild animals that served as host reservoirs for the parasites was also carried out, particularly in East Africa; the approach helped reduce tsetse fly populations, though neither the flies nor the disease were successfully exterminated.

What is the name of the fly that transmits sleeping sickness?

tsetse fly. …only in Africa and transmit sleeping sickness (African trypanosomiasis) in humans and a similar disease called nagana in domestic animals. Tsetse flies are distinguished in part by a forward-projecting piercing proboscis on the head that is capable of puncturing skin.

What are the stages of sleep sickness?

Sleeping sickness is characterized by two stages of illness. In the first stage, infected persons typically experience fever, headache, muscle and joint pain, and inflammation of the lymph nodes.

Where does T. brucei gambiense occur?

brucei gambiense occur in an area extending from the west coast of Africa eastward to the East African lakes and southward to the Congo River basin. Cases caused by T. brucei rhodesiense are limited to the highlands of central eastern and southern Africa. Several major epidemics of sleeping sickness occurred in the 20th century, but since then the number of new cases reported annually has declined significantly. In 2012 the World Health Organization published a plan targeting the elimination of sleeping sickness as a public health problem by 2020.

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Where did sleeping sickness occur?

Prevention. In the early 21st century the majority of sleeping sickness cases occurred in the Democratic Republic of the Congo (DRC), which reported about 1,000 new cases each year. By 2015, with the exception of the DRC, most other African countries had reported fewer than 100 cases annually, and many others had not reported a case in more ...

What is Sleeping Sickness?

Sleeping Sickness is a parasitic or tropical disease. This disease should be treated properly otherwise it can be very dangerous. This disease spreads through the bite of Tsetse fly. These species are found in the African continent by which the African people living in rural areas are mostly affected by this disease. The bite of a Tsetse fly develops into a red sore. This would make the person experience fever, swelling in the lymph glands, irritation, headache, muscle and joint ache.

What is the cause of sleep sickness?

Sleeping Sickness is a tropical, parasitic disease caused by the Trypanasoma brucei parasite carried by the Tsetse fly. This disease is native to the African Continent. Sleeping sickness is also known as African Trypanosomiasis and affects rural areas more.

What is the cause of tsetse fly?

The disease is caused by two parasites named Trypanosoma brucie gambiense and Trypanosoma brucie rhodesiense. They are present in the Tsetse fly.

What are the two types of sleeping sickness?

Ans: There are two types of Sleeping Sickness which includes East African sleeping sickness and West African sleeping sickness.

How does a tsetse fly spread?

It only spreads by the bite of an infected Tsetse fly as this disease is not contagious.

How long does it take for anemia to develop in animals?

Ans: This disease also occurs in animals and the incubation period is 4 days to 8 weeks in them. Weight loss, anemia, fever, edema, adenitis, and nervous disorder are the major symptoms in animals.

Is sleeping sickness contagious?

Ans: Sleeping sickness spreads through biting of Tsetse Fly and this fly is native to the African continent that is why this disease of sleeping sickness is not contagious.