SPM – MCQ 72 – Vitamin A deficiency as a public health problem

Vitamin A deficiency is considered a public health problem if prevalence rate of night blindness in children between 6 months to 6 years is more than:
a) 0.01%
b) 0.05%
c) 0.1%
d) 1.0%

Correct answer : d) 1.0%

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