Which of the following disease does not occur due to biting of mosquitoes?

Options

A. Dengue fever
B. Malaria
C. Sleeping Sickness
D. Filariasis

Explanation

To determine which disease does not occur due to the biting of mosquitoes, we will analyze each of the given options: Dengue fever, malaria, sleeping sickness, and phleriasis.

### Step-by-Step Solution:

1. **Identify the Diseases and Their Causative Agents:**
- **Dengue Fever:** Caused by a virus. The vector (transmitting agent) for this disease is the Aedes mosquito.
- **Malaria:** Caused by a protozoan called Plasmodium. The vector for malaria is the female Anopheles mosquito.
- **Sleeping Sickness:** Caused by a parasite known as Trypanosoma. This disease is transmitted by the tsetse fly, not a mosquito.
- **Phleriasis:** Caused by a roundworm, specifically Wuchereria bancrofti. This disease is transmitted by mosquitoes, particularly the Culex mosquito.

2. **Analyze Each Option:**
- **Dengue Fever:** Transmitted by mosquitoes (Aedes).
- **Malaria:** Transmitted by mosquitoes (Anopheles).
- **Sleeping Sickness:** Transmitted by the tsetse fly (not mosquitoes).
- **Phleriasis:** Transmitted by mosquitoes (Culex).

3. **Conclusion:**
- The disease that does not occur due to the biting of mosquitoes is **Sleeping Sickness**.

### Final Answer:
Sleeping Sickness does not occur due to the biting of mosquitoes.

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