A community near a primary health-care centre has frequent diarrhoeal disease. Which action most directly interrupts fecal-oral transmission?
Correct answer: A. Provide safe latrines and promote handwashing
- A. Provide safe latrines and promote handwashing
- B. Distribute sunglasses during outdoor activities
- C. Increase street lighting around the houses
- D. Advise residents to avoid eating spicy foods
Explanation
Safe excreta disposal and handwashing after defecation and before food preparation break the fecal-oral chain. The other actions do not remove fecal contamination from hands, water, food or the environment.
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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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