NDNS65+: Prevalence of Vitamin A Deficiency
Percentage of Population with a plasma Retinol < 0.7mmol/l
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WHO lower end of normality, plasma level < 0.7 mmol/
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Plasma retinol levels may be temporarily lowered as a result of
infection and the acute phase response
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Severe deficiency, plasma <0.35 mmol/l, is very rare