Which is not a viral droplet infection?

Options

A. Measles
B. Mumps
C. Whooping cough
D. Influenza

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks us to identify which of the given diseases is not caused by a viral droplet infection. We have four options: measles, mumps, whooping cough, and influenza.

2. **Identifying Viral Droplet Infections**:
- **Measles**: This is a highly contagious viral infection that spreads through respiratory droplets.
- **Mumps**: This is also a viral infection that spreads through droplet transmission.
- **Influenza**: This is a viral infection that spreads via respiratory droplets as well.

3. **Analyzing Whooping Cough**:
- **Whooping Cough**: This disease is caused by the bacterium Bordetella pertussis, not a virus. It is a highly contagious respiratory disease but is not classified as a viral droplet infection.

4. **Conclusion**: Based on the analysis, the disease that is not caused by a viral droplet infection is **whooping cough**.

5. **Final Answer**: The correct answer is **C. Whooping Cough**.

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