Chickenpox is a viral disease caused by

Options

A. Herpes simplex
B. Varicella
C. Herpes zoster
D. Echovirus

Answer

**Step-by-Step Solution:**

1. **Understanding Chickenpox**: Chickenpox is a common viral infection characterized by an itchy rash and flu-like symptoms. It primarily affects children but can occur in individuals of any age.

2. **Identifying the Causative Agent**: The question asks for the virus responsible for causing chickenpox. To answer this, we need to evaluate the options provided.

3. **Evaluating the Options**:
- **Herpes Simplex**: This virus causes herpes infections, which are different from chickenpox. It is not the causative agent of chickenpox.
- **Varicella**: This is the correct option. Varicella is the virus that causes chickenpox. It is also known as the varicella-zoster virus (VZV).
- **Herpes Zoster**: This virus is related to the varicella virus and causes shingles, which is a reactivation of the varicella virus. However, it is not the cause of chickenpox itself.
- **Echovirus**: This virus is associated with infections of the digestive system and is not related to chickenpox.

4. **Conclusion**: After evaluating all the options, it is clear that chickenpox is caused by the varicella virus.

**Final Answer**: Chickenpox is a viral disease caused by **Varicella**.

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