Which pair of disease is viral?

Options

A. AIDS, syphilis
B. Typhoid, Tetanus
C. Rabies, Mumps
D. Cholera, T.B.

Answer

To determine which pair of diseases is viral, we will analyze each option provided in the question.

### Step-by-Step Solution:

1. **Identify the first option: AIDS and Syphilis**
- **AIDS**: Caused by the Human Immunodeficiency Virus (HIV), which is a viral disease.
- **Syphilis**: Caused by the bacterium Treponema pallidum, which is a bacterial disease.
- **Conclusion**: This pair is not viral because one disease (Syphilis) is bacterial.

2. **Identify the second option: Typhoid and Tetanus**
- **Typhoid**: Caused by the bacterium Salmonella typhi, which is a bacterial disease.
- **Tetanus**: Caused by the bacterium Clostridium tetani, which is also a bacterial disease.
- **Conclusion**: This pair is not viral because both diseases are bacterial.

3. **Identify the third option: Rabies and Mumps**
- **Rabies**: Caused by the rabies virus, which is a viral disease.
- **Mumps**: Caused by the mumps virus (paramyxovirus), which is also a viral disease.
- **Conclusion**: This pair is viral because both diseases are caused by viruses.

4. **Identify the fourth option: Cholera and Tuberculosis (TB)**
- **Cholera**: Caused by the bacterium Vibrio cholerae, which is a bacterial disease.
- **Tuberculosis (TB)**: Caused by the bacterium Mycobacterium tuberculosis, which is also a bacterial disease.
- **Conclusion**: This pair is not viral because both diseases are bacterial.

### Final Answer:
The correct pair of viral diseases is **Rabies and Mumps** (Option 3).

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