Which of the following is not a viral disease?

Options

A. Chikungunya
B. Hepatitis-B
C. Mumps
D. Hansen's Disease

Answer

To determine which of the following diseases is not a viral disease, we will analyze each option provided.

**Step 1: Analyze Chikungunya**
- Chikungunya is a viral disease caused by the Chikungunya virus. It is transmitted through the bite of infected mosquitoes.
- Conclusion: Chikungunya is a viral disease.

**Step 2: Analyze Hepatitis B**
- Hepatitis B is also a viral infection caused by the Hepatitis B virus. It affects the liver and can lead to serious health issues.
- Conclusion: Hepatitis B is a viral disease.

**Step 3: Analyze Mumps**
- Mumps is another viral infection caused by the Paramyxovirus. It is characterized by swelling of the salivary glands.
- Conclusion: Mumps is a viral disease.

**Step 4: Analyze Hansen's Disease**
- Hansen's disease, also known as leprosy, is not a viral disease. It is caused by the bacterium Mycobacterium leprae. This disease is primarily a bacterial infection.
- Conclusion: Hansen's disease is not a viral disease; it is a bacterial disease.

**Final Answer:**
The disease that is not a viral disease is Hansen's disease (leprosy).

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