Q. Consider the following diseases: - Hepatitis-A
- Tuberculosis
- Poliomyelitis
Which of the above are viral diseases?
Answer:
Only 1 and 3
Notes: Hepatitis-A is caused by the Hepatitis A virus, and Poliomyelitis is caused by the poliovirus—both are viral diseases. Tuberculosis, however, is caused by the bacterium Mycobacterium tuberculosis and not by a virus. Therefore, only Hepatitis-A and Poliomyelitis are viral diseases.