Which of the following is a matching pair of the vector and the disease

Options

A. Culex-Elephantiasis
B. Housefly- Yellow fever
C. Body louse - Typhoid
D. Sandfly- Plague

Answer

To solve the question "Which of the following is a matching pair of the vector and the disease?", we will analyze each option provided and determine if the vector correctly corresponds to the disease mentioned.

### Step-by-Step Solution:

1. **Identify the Options**: The options given are:
- Culex, Elephantiasis
- Housefly, Yellow Fever
- Baudelaise, Typhoid
- Sandfly, Plague

2. **Analyze Option 1: Culex, Elephantiasis**:
- Culex is a type of mosquito.
- Elephantiasis (also known as Filariasis) is caused by filarial worms and is transmitted by Culex mosquitoes.
- **Conclusion**: This is a correct match.

3. **Analyze Option 2: Housefly, Yellow Fever**:
- Yellow Fever is caused by the flavivirus and is transmitted by mosquitoes, not houseflies.
- Houseflies are known to transmit diseases like typhoid fever.
- **Conclusion**: This is an incorrect match.

4. **Analyze Option 3: Baudelaise, Typhoid**:
- Typhoid fever is caused by the bacterium Salmonella typhi, and its vector is the housefly.
- Baudelaise (body louse) is associated with trench fever, not typhoid.
- **Conclusion**: This is an incorrect match.

5. **Analyze Option 4: Sandfly, Plague**:
- Plague is caused by the bacterium Yersinia pestis and is transmitted by fleas, not sandflies.
- Sandflies are vectors for leishmaniasis.
- **Conclusion**: This is an incorrect match.

6. **Final Conclusion**:
- The only correct matching pair of vector and disease is **Culex, Elephantiasis**.

### Final Answer:
The correct answer is **Culex, Elephantiasis**.

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