Which of the following diseases is caused by a virus?
- A. Cholera
- B. Tuberculosis
- C. Poliomyelitis
- D. Typhoid
Explanation
Polio is caused by the poliovirus, which attacks motor neurones and can cause paralysis. Cholera and typhoid are bacterial diseases of the gut and tuberculosis is caused by Mycobacterium, so only poliomyelitis in the list is viral.
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