Which of these are viral diseases?

Options

A. Polio, mumps
B. Influenza, small pox
C. Chicken pox, measles
D. All

Answer

To determine which of the listed diseases are viral diseases, we can analyze each option step by step.

### Step-by-Step Solution:

1. **Identify the Diseases**: Look at the diseases mentioned in the options. For this example, we will consider polio, mumps, influenza, smallpox, chicken pox, and measles.

2. **Analyze Polio**:
- Polio is caused by the poliovirus.
- Since it is caused by a virus, polio is a viral disease.

3. **Analyze Mumps**:
- Mumps is caused by the paramyxovirus.
- As it is also caused by a virus, mumps is a viral disease.

4. **Analyze Influenza**:
- Influenza is caused by the influenza virus.
- This means influenza is a viral disease as well.

5. **Analyze Smallpox**:
- Smallpox is caused by the variola virus.
- Therefore, smallpox is a viral disease.

6. **Analyze Chicken Pox**:
- Chicken pox is caused by the varicella-zoster virus.
- Thus, chicken pox is also a viral disease.

7. **Analyze Measles**:
- Measles is caused by the rubeola virus.
- Hence, measles is a viral disease.

8. **Conclusion**:
- Since all the diseases analyzed (polio, mumps, influenza, smallpox, chicken pox, and measles) are caused by viruses, we can conclude that all the mentioned diseases are viral diseases.

### Final Answer:
All the diseases listed are viral diseases.