Lately, dengue has been spreading at an alarming rte in a certain city. What is the most important precaution people in the city should take?

Options

A. Do not touch infected people.
B. Keep food and water covered.
C. Use mosquito nets and repellents.
D. Do not stand near infected people when they sneeze or cough.

Answer

**Step-by-Step Solution:**

1. **Understanding Dengue Fever**: Dengue fever is a viral infection transmitted by the bite of infected female Aedes mosquitoes. It is important to recognize that the spread of dengue is primarily due to these mosquitoes.

2. **Identifying the Source of Infection**: Since dengue is transmitted through mosquito bites, the primary precaution should focus on preventing mosquito bites.

3. **Evaluating the Options**:
- **Option A**: "Do not touch infected people" - This is not effective because dengue is not transmitted through direct contact with infected individuals.
- **Option B**: "Keep food and water covered" - While this is a good hygiene practice, it does not directly prevent mosquito bites.
- **Option C**: "Use mosquito nets and repellents" - This is a direct method to prevent mosquito bites, making it the most relevant precaution.
- **Option D**: "Do not stand near infected people when they sneeze or cough" - This is also ineffective as dengue is not spread through respiratory droplets.

4. **Conclusion**: The most important precaution people in the city should take to prevent the spread of dengue is to **use mosquito nets and repellents**.

**Final Answer**: c. Use mosquito nets and repellents

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