Sorter's disease is caused by :

Options

A. bacteria
B. virus
C. protozoa
D. fungus

Answer

**Step-by-Step Solution:**

1. **Identify the Disease**: The question asks about Sorter's disease.

2. **Determine the Cause**: According to the information provided, Sorter's disease is caused by a specific type of bacteria.

3. **Name the Bacteria**: The bacteria responsible for Sorter's disease is identified as Pulmonary Anthrax Spore-forming Bacteria.

4. **Understand the Impact**: This disease primarily affects individuals working in industries related to wool, such as wool processing or sheep shearing, leading to respiratory difficulties.

5. **Conclude the Answer**: Therefore, the correct answer to the question is that Sorter's disease is caused by bacteria.

**Final Answer**: Sorter's disease is caused by bacteria.

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