Which one of the following paris is not correctly matched ?

Options

A. Dengue - Flavi-ribo virus
B. Syphilis - Trichuris trichiura
C. Plague - Yersinia pestis
D. Filariiasis - Wuchereria bancrofti

Explanation

To solve the question "Which one of the following pairs is not correctly matched?" we will analyze each option provided in the question.

### Step-by-Step Solution:

1. **Identify the options**: The options given are:
- Dengue - Flavivirus
- Syphilis - Trichuris
- Plague - Yersinia pestis
- Filaria - Wuchereria bancrofti

2. **Analyze each pair**:
- **Dengue - Flavivirus**: Dengue is indeed caused by the Flavivirus. This pair is correctly matched.
- **Syphilis - Trichuris**: Syphilis is caused by the bacterium Treponema pallidum, not Trichuris (which is a genus of parasitic worms). This pair is **not correctly matched**.
- **Plague - Yersinia pestis**: Plague is caused by the bacterium Yersinia pestis. This pair is correctly matched.
- **Filaria - Wuchereria bancrofti**: Filaria is caused by the nematode Wuchereria bancrofti. This pair is correctly matched.

3. **Conclusion**: The pair that is not correctly matched is **Syphilis - Trichuris**.

### Final Answer:
The pair that is not correctly matched is **Syphilis - Trichuris**.

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