Question

The poliovirus enters the human body through which of the following means:

• A. Tick bite
• B. Nose secretions and Saliva
• C. Contaminated food and water
• D. Mosquito bite

Answer 1

The correct option is C

Contaminated food and water

The correct option is C.

Explanation of the correct option:

1. Poliovirus is a virus belonging to the family of Picornavirus.
2. It damages the neurons in the spinal cord and affects the central nervous system.
3. It causes partial or total paralysis and muscle weakness.
4. The virus is transmitted between human beings by the mainly fecal-oral route and by contaminated water or food.
5. Stalk Type-1 and Sabin are vaccines used against poliovirus infection.

Explanation of the incorrect options:

Option A:

The poliovirus does not enter the human body through a tick bite.

Option B:

The poliovirus does not enter the human body through nasal secretions and the saliva of an infected person.

Option D:

The poliovirus does not enter the human body through the bite of a mosquito.

Final answer: The poliovirus enters the human body through contaminated food and water.