Chicken pox is caused by

Options

A. Adenovirus
B. Varicella virus
C. SV-40 virus
D. Bacterophage T-2

Answer

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks about the causative agent of chicken pox.

2. **Review the Options**: The options provided are:
- a) Adenovirus
- b) Varicella virus
- c) SV40 virus
- d) Bacteriophage T2

3. **Analyze Each Option**:
- **Adenovirus**: This virus is known to cause respiratory illnesses and conjunctivitis, but it is not responsible for chicken pox.
- **Varicella Virus**: This is also known as Varicella Zoster Virus (VZV), which is specifically known to cause chicken pox.
- **SV40 Virus**: This virus is associated with tumors and does not cause chicken pox.
- **Bacteriophage T2**: This is a type of virus that infects bacteria (specifically E. coli) and is not related to chicken pox.

4. **Determine the Correct Answer**: After analyzing the options, it is clear that the Varicella virus (Varicella Zoster Virus) is the one that causes chicken pox.

5. **Conclusion**: Therefore, the correct answer is **b) Varicella virus**.

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