Iodine deficiency — DTM&H MCQ

Correct answer: A — Universal salt iodisation

Universal salt iodisation is the single best answer because universal salt iodisation is the key population intervention for iodine deficiency disorders. Vitamin A capsule campaign is plausible in a related presentation, but it is less appropriate because it does not fit the key discriminator in this vignette. The teaching point is that goitre clusters often reflect environmental iodine deficiency and food-system factors.

Reference: WHO guideline updates on malnutrition and micronutrients; Manson's Tropical Diseases