What happens if a tsetse fly bites you?
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.
Is there a vaccine for sleeping sickness?
There is no vaccine or medicine that prevents African trypanosomiasis. Travelers can protect themselves by preventing tsetse fly bites.
What 3 types of diseases does Trypanosoma cause?
Trypanosomes infect a variety of hosts and cause various diseases, including the fatal human diseases sleeping sickness, caused by Trypanosoma brucei, and Chagas disease, caused by Trypanosoma cruzi.
What part of the human body does the Trypanosoma invade?
Second stage or neurological? phase: this stage begins when the trypanosome parasites cross from the blood-brain barrier into the spinal fluid, infecting the central nervous system including the brain.
Is African trypanosomiasis a disease?
Human African trypanosomiasis, also known as sleeping sickness, is a vector-borne parasitic disease. It is caused by infection with protozoan parasites belonging to the genus Trypanosoma.
How many people have died from African 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.
Are there tsetse flies in South Africa?
Four valid tsetse fly species have been recorded from South Africa. Of the three remaining species that occurred in Zululand, now part of KwaZuluNatal Province, G. pallidipes was the most common vector of nagana in cattle, but was eradicated from this area in 1954.
How do you get rid of African sleeping sickness?
Treatment today relies on four parenteral drugs: suramin for first-stage rhodesiense pentamidine for first-stage gambiense melarsoprol for the second stage of both forms of the disease, and eflornithine, which is only effective in the second stage of the gambiense form.
Where are tsetse flies found in South Africa?
Trypanosoma brucei gambiense (also known as West African Trypanosomiasis) is mostly present in forests along rivers as well as water holes. The protozoa are transmitted by daytime biting infected tsetse flies belonging to the genus Glossina.
How do you kill tsetse fly?
The tsetse flies then eventually disappeared because of food shortage. These methods have largely been abandoned and today insecticide spraying is used along with traps and insecticide-impregnated targets. Traps and screens are an effective means of tsetse control.
How do you identify tsetse flies?
Like all other insects, tsetse flies have an adult body comprising three visibly distinct parts: the head, the thorax and the abdomen. The head has large eyes, distinctly separated on each side, and a distinct, forward-pointing proboscis attached underneath by a large bulb.
What do tsetse fly bites look like?
The tsetse fly bite is often painful and can cause red bumps or small red ulcers at the site of the bite. It can also transmit sleeping sickness (trypanosomiasis) to animals and humans. Trypanosomiasis is generally not found in the United States except in people who have traveled to Africa.
How can tsetse fly be prevented?
Prevention & Control
- 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.
- Inspect vehicles before entering.
- Avoid bushes.
- Use insect repellent.
What is the scientific name of tsetse fly?
Glossina