Select the incorrect match of disease and its vector/carrier.

Options

A. Cholera - Housefly
B. Sleeping sickness - Tse-tse fly
C. Typhus fever - Body louse
D. Chikungunya - Sandfly

Explanation

To solve the question of selecting the incorrect match of disease and its vector/carrier, we will analyze each option provided.

### Step-by-Step Solution:

1. **Understand the Question**: We need to identify which of the given options incorrectly matches a disease with its vector or carrier.

2. **Analyze Each Option**:
- **Option A: Cholera and Housefly**:
- Cholera is indeed spread by houseflies, which can carry the bacteria from contaminated water or food.
- **Conclusion**: This match is correct.

- **Option B: Sleeping Sickness and Tsetse Fly**:
- Sleeping sickness is caused by the protozoan Trypanosoma, which is transmitted by the bite of the Tsetse fly.
- **Conclusion**: This match is correct.

- **Option C: Typhus Fever and Body Louse**:
- Typhus fever is transmitted by body lice, which can carry the bacteria responsible for the disease.
- **Conclusion**: This match is correct.

- **Option D: Chikungunya and Sand Fly**:
- Chikungunya is a viral disease that is primarily transmitted by Aedes mosquitoes, not sand flies.
- **Conclusion**: This match is incorrect.

3. **Final Decision**: Based on the analysis, the incorrect match is **Option D: Chikungunya and Sand Fly**.

### Answer:
The incorrect match of disease and its vector/carrier is **D: Chikungunya and Sand Fly**.