_____ is characterised by hydrophobia.

Options

A. dengue
B. SARS
C. measles
D. rabies

Answer

**Step-by-Step Solution:**

1. **Understanding Hydrophobia**: Hydrophobia refers to an intense fear of water. It is important to identify diseases that exhibit this symptom.

2. **Analyzing the Options**:
- **Dengue**: Caused by the dengue virus, transmitted by Aedes mosquitoes. It does not exhibit hydrophobia.
- **SARS (Severe Acute Respiratory Syndrome)**: A respiratory illness caused by a virus. It does not have hydrophobia as a symptom.
- **Measles**: Caused by the Rubiola virus. This disease does not include hydrophobia.
- **Rabies**: Caused by the rabies virus, which is transmitted through the bite of an infected animal. One of the key symptoms of rabies is hydrophobia.

3. **Identifying the Correct Disease**: Among the options provided, rabies is the only disease characterized by hydrophobia. The rabies virus affects the brain, particularly areas that control functions such as swallowing and breathing, leading to the fear of water.

4. **Conclusion**: Therefore, the answer to the question is that rabies is characterized by hydrophobia.

**Final Answer**: Rabies is characterized by hydrophobia.

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