Which of the following disease is not caused due to bacteria?

Polio

The correct answer is Option (2) – Polio

Polio is not caused by bacteria; it is caused by the poliovirus.

Explanation:

• Tuberculosis (TB) is caused by the bacterium Mycobacterium tuberculosis.
• Cholera is caused by the bacterium Vibrio cholerae.
• Typhoid fever is caused by the bacterium Salmonella typhi.

However, polio, short for poliomyelitis, is a viral infectious disease caused by the poliovirus. It primarily affects the nervous system and can lead to paralysis. Therefore, among the options provided, polio is the disease that is not caused by bacteria.