What are the effects of tsetse fly?

What are the effects of tsetse fly?

A bite by the tsetse fly is often painful and can develop into a red sore, also called a chancre. Fever, severe headaches, irritability, extreme fatigue, swollen lymph nodes, and aching muscles and joints are common symptoms of sleeping sickness. Some people develop a skin rash.

How are tsetse flies economically harmful?

The TseTse fly is unique to Africa and transmits a parasite harmful to humans and lethal to livestock. The evidence suggests current economic performance is affected by the TseTse through the channel of precolonial political centralization.

How are tsetse flies affect humans?

Tsetse flies cause painful bites and, during the day, can be a nuisance where they occur in large densities. Two different types of human sleeping sickness are caused by different subspecies of trypanosome parasites (Fig. 2.3):

Is Sleeping sickness curable?

Sleeping sickness is curable with medication but is fatal if left untreated.

Which countries have tsetse flies?

Tsetse flies are found just in sub-Saharan Africa though only certain species transmit the disease.

What countries in Africa are affected by sleeping sickness?

Countries with high levels endemicity of including Cameroon, Congo, Cote d’Ivoire, Central African Republic, Guinea, Mozambique, Tanzania, & Chad. African sleeping sickness can also be found in low endemic levels in Benin, Burkina-Faso, Gabon, Ghana, Equatorial Guinea, Kenya, Mali, Nigeria, Togo, & Zambia.

Who is most at risk for African sleeping sickness?

Who is at risk for African sleeping sickness? The only people at risk for African sleeping sickness are those who travel to Africa. That’s where the tsetse fly is found. The parasites that cause the disease are passed on only by the tsetse fly.

How many people have died from trypanosomiasis?

Estimated Number of the Deaths When left untreated, the mortality rate of African sleeping sickness is close to 100%. It is estimated that 50,000 to 500,000 people die from this disease every year.

How long does African sleeping sickness last?

It’s a short-term (acute) illness that may last several weeks to months. People from the U.S. who travel to Africa are rarely infected. On average, 1 U.S. citizen is infected every year.

Does African sleeping sickness make you sleep?

African trypanosomiasis is a parasitic disease transmitted by the tsetse fly. It gets its nickname ‘sleeping sickness’ because symptoms can include a disturbed sleep pattern.

Why is there no vaccine for African sleeping sickness?

There are many obstacles to development of such a vaccine. One obstacle is variant surface glycoprotein which makes it difficult for the immune system to recognize the infectious organism. Also, Trypanosoma brucei has a direct inhibitory effect upon B cells.

Why are tsetse flies dangerous?

Tsetse flies can transmit the trypanosomiasis parasite from infected to uninfected humans and animals. This parasite can cause a disease known as African Sleeping Sickness. Symptoms of African Sleeping Sickness include fatigue, headaches, muscle aches and a high fever.

How do you stop tsetse flies?

Prevention & Control

1. Wear long-sleeved shirts and pants of medium-weight material in neutral colors that blend with the background environment. Tsetse flies are attracted to bright or dark colors, and they can bite through lightweight clothing.
2. Inspect vehicles before entering.
3. Avoid bushes.
4. Use insect repellent.

Why are the flies biting me?

They don’t always bite, but when they do, flies bite you for blood meals that provide them with nutrition or other benefits. Fly bites are more common than you might think. Unfortunately, they are also more dangerous than many realize.