Question

The polio virus enters the body through:

  1. Mosquito bites
  2. Contaminated food and water
  3. Saliva
  4. Dog bite

Answer:

Option B: Contaminated food and water

Detailed Solution:

The correct answer is “Contaminated food and water”.

The polio virus enters the body through Contaminated food and water.

It is primarily spread through the fecal-oral route, meaning it enters the body through the mouth from contaminated hands, food, or water.