A disease in human beings caused by virus is _______.

Options

A. typhoid
B. influenza
C. dysentry
D. cholera

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for a disease in human beings that is caused by a virus.

2. **Identifying Diseases**: We need to consider various diseases and determine which ones are caused by viruses.

3. **Reviewing Common Diseases**:
- **Typhoid**: Caused by the bacterium Salmonella typhi, not a virus.
- **Influenza**: Caused by the Parainfluenza virus, which is indeed a viral disease.
- **Dysentery**: Caused by protozoan parasites, not a virus.
- **Cholera**: Caused by the bacterium Vibrio cholerae, not a virus.

4. **Selecting the Correct Answer**: From the options reviewed, the only disease caused by a virus is **Influenza**.

5. **Final Answer**: Therefore, the disease in human beings caused by a virus is **Influenza**.

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