Which organism causes Pertussis?

Options

A. Bordetella
B. Corynebacterium
C. Mycobacterium
D. Clostridium

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks which organism causes Pertussis. Pertussis is commonly known as whooping cough, a respiratory infection characterized by severe coughing fits.

2. **Identifying the Options**: The options provided are:
- A) Bordetella
- B) Cornebacterium
- C) Mycobacterium
- D) Clostridium

3. **Analyzing Pertussis**: Pertussis is specifically caused by a bacterium. It is important to identify the correct bacterium associated with this disease.

4. **Identifying the Correct Organism**:
- Bordetella pertussis is the bacterium responsible for causing Pertussis (whooping cough).
- The other options can be analyzed:
- **Cornebacterium**: This is responsible for causing diphtheria.
- **Mycobacterium**: This is known for causing tuberculosis.
- **Clostridium**: This group of bacteria can cause a variety of diseases, including tetanus and food poisoning.

5. **Conclusion**: Based on the analysis, the organism that causes Pertussis is **Bordetella pertussis**.

**Final Answer**: Bordetella

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