Which one of the following is not a viral disease?

Options

A. Dengue
B. AIDS
C. Typhoid
D. Inluenza

Explanation

**Step-by-Step Solution:**

1. **Understanding Viral Diseases**: Start by defining what a viral disease is. A viral disease is caused by the infection of a virus in the body.

2. **Analyzing the Options**: Look at the options provided:
- A) Dengue
- B) AIDS
- C) Typhoid
- D) Influenza

3. **Identifying Viral Diseases**:
- **Dengue**: Caused by the dengue virus, transmitted through the bite of the Aedes mosquito.
- **AIDS**: Stands for Acquired Immunodeficiency Syndrome, caused by the Human Immunodeficiency Virus (HIV).
- **Influenza**: Commonly known as the flu, caused by the influenza virus.

4. **Identifying the Non-Viral Disease**:
- **Typhoid**: This is the key focus. Typhoid is not caused by a virus but by a bacterium known as Salmonella typhi. It is a bacterial infection that typically spreads through contaminated food and water.

5. **Conclusion**: Since typhoid is caused by bacteria and not a virus, the correct answer to the question "Which one of the following is not a viral disease?" is **C) Typhoid**.

---