Several children in a Pakistani neighbourhood develop dengue fever during the rainy season. Which community action is most effective for reducing Aedes mosquito breeding?
Correct answer: A. Remove or cover containers holding stagnant water
- A. Remove or cover containers holding stagnant water
- B. Spray perfume inside bedrooms each evening
- C. Keep windows closed only during the afternoon
- D. Place food waste in open baskets outside homes
Explanation
Aedes mosquitoes breed in small collections of stagnant water, so emptying, covering or cleaning water containers reduces breeding sites. Perfume, limited window closure and exposed food waste do not control the vector.
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About Environmental Health and Sanitation
Environmental health examines how water, air, food, housing, waste, noise, chemicals and workplace conditions affect disease and well-being. Sanitation content includes safe water treatment and storage, sewage and solid-waste disposal, food hygiene, vector control and the distinction between personal cleanliness and broader public-health sanitation.
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