Question

Which one of the following pairs of diseases is viral and transmitted by mosquitoes?

• A. Elephantiasis and dengue
• B. Yellow fever and sleeping sickness
• C. Encephalitis and sleeping sickness
• D. Yellow fever and dengue

Answer 1

The correct option is D Yellow fever and dengue

Yellow fever and dengue are viral diseases transmitted by Aedes aegypti.

Elephantiasis is caused by filarial worms and transmitted by mosquitoes.

Sleeping sickness is transmitted by tsetse fly and caused by a protozoan called Trypanosoma.

Encephalitis could be viral or bacterial disease transmitted by mosquitoes or it could be due to an autoimmune disease.