Question

Which of the following is not a mosquito-borne disease?

• A. Dengue fever
• B. Malaria
• C. Filariasis
• D. Sleeping sickness

Answer 1

The correct option is D

Sleeping sickness

The correct option is D.

Explanation for correct option:

1. Sleeping sickness is not a mosquito-borne disease.
2. It is a tropical disease, which is caused by trypanosomes, that is, a parasitic protozoan.
3. It is transmitted by the bite of the tsetse fly.
4. It results in chills, fever, anemia, and pain in the limbs, it ultimately influences the nervous system resulting in extreme lethargy and death.
5. The explanation for the incorrect options:

Explanation for incorrect options:

Option A:

1. Dengue fever is a mosquito-borne disease, which is caused by one of the four closely associated dengue viruses.
2. It is spread by the bite of an infected Aedes aegypti mosquito.
3. It takes place in subtropical and tropical regions of the world.
4. The mild dengue fever causes flu-like symptoms and high fever.
5. The severe form of dengue results in dengue hemorrhagic fever.

Option B:

1. Malaria is transmitted to humans via the bites of infected Anopheles mosquitoes.
2. It is a life-threatening disease, caused by a parasite called plasmodium.
3. Fever, chills, headache, diarrhea, abdominal pain, nausea and vomiting, and muscle or joint pain are the symptoms of malaria.

Option C:

1. Filariasis is an infectious tropical disease resulting due to one of the many thread-like parasitic roundworms.
2. The parasitic species associated with the disease are Brugia malayi and Wuccheria bancrofti.
3. The disease is spread by the bite of the infected Culex mosquito.
4. The disease results in decreased function and swelling of the lymph system, which makes it tough for the body to fight against infections and germs.

Final answer: Sleeping sickness is not a mosquito-borne disease.