Which amongst the following is a viral disease?

Options

A. Fowl cholera
B. Aspergillosis
C. Newcastle disease
D. Salmonellosis

Answer

To determine which amongst the following is a viral disease, we will analyze each option provided:

1. **Cholera**:
- Cholera is caused by a bacterium known as *Vibrio cholerae*. It is a contagious disease that primarily affects the intestines and leads to severe diarrhea and dehydration.
- **Conclusion**: Cholera is not a viral disease; it is a bacterial disease.

2. **Aspergillosis**:
- Aspergillosis is caused by a fungus known as *Aspergillus*. This disease primarily affects the respiratory system and can lead to various health issues, especially in immunocompromised individuals.
- **Conclusion**: Aspergillosis is not a viral disease; it is a fungal disease.

3. **New Cattle Disease**:
- New cattle disease, also known as bovine viral diarrhea, is caused by a virulent virus known as the bovine viral diarrhea virus (BVDV). This disease affects cattle and can lead to significant health issues in livestock.
- **Conclusion**: New cattle disease is a viral disease.

4. **Salmonellosis**:
- Salmonellosis is caused by bacteria of the genus *Salmonella*. This infection can lead to gastrointestinal illness and is commonly associated with contaminated food or water.
- **Conclusion**: Salmonellosis is not a viral disease; it is a bacterial disease.

After analyzing all the options, we find that the only viral disease among the given options is:

**Answer: New Cattle Disease**