Question

Which of the following diseases is caused by virus and transmitted by mosquito?

• A. Typhus
• B. Yellow fever
• C. Plague
• D. Filariasis

Answer 1

The correct option is B Yellow fever

• Yellow fever is an acute viral fever caused by a flavivirus. It is transmitted by the bite of mosquitoes, usually the Aedes aegypti mosquito.
• It is characterized by a headache, chills, loss of appetite, nausea. In severe cases, yellow fever causes a high fever, bleeding into the skin and the death of cells in the liver and kidneys.
• Liver damage results in severe jaundice. It causes yellowing of the skin, hence it is also called yellow fever. Plague is a disease that is caused by the enterobacteria Yersinia pestis. The plague is transmitted by direct contact or by contaminated food.
• Filariasis is a parasitic disease that is caused by roundworms. It is spread by blood-feeding black flies and mosquitoes.
• Typhus is caused by rickettsiae bacteria and transmitted by arthropod bites.

Thus, the correct answer is option B.