The two diseases that can be prevented by controlling mosquitoes and sandfly are
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malaria and measles
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malaria and cholera
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malaria and kala-azar
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measles and dysentery
C
Correct answer
Explanation
Malaria is transmitted by Anopheles mosquitoes (Plasmodium parasite). Kala-azar (visceral leishmaniasis) is transmitted by sandflies (Leishmania parasite). Both are vector-borne diseases controllable through vector management. Measles is airborne, cholera and dysentery are water/food-borne.