Write the symptoms and mode of transmission of 3 sleeping sickness.

Explanation

### Step-by-Step Solution

1. **Identify the Causative Organism**:
- The disease known as sleeping sickness is caused by a parasite called **Trypanosoma brucei**.

2. **Determine the Mode of Transmission**:
- Sleeping sickness is a **vector-borne disease**, meaning it is transmitted through a vector.
- The primary vector responsible for transmitting this disease is the **Tsetse fly**.
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