Question

Fumigation of houses and drains helps to control dengue. Give reason.

Answer 1

Dengue

1. Dengue is caused by Dengue virus.
2. Dengue virus is carried by female Aedes mosquito (vector) in its salivary glands from an infected to an uninfected person.
3. When Aedes mosquito carrying the Dengue virus bites a healthy person, the virus enters in the person's body.
4. To control the spreading of dengue, the breeding of mosquitoes have to be controlled.
5. Mosquitoes breed mostly in the stagnant water.
6. S,o fumigation of houses and drains can be done to control dengue.
7. Fumigation is the process of disinfection of an area by fumes of certain chemicals.
8. It results in the removal of mosquitoes from a certain area thus helps to control dengue.