Knowledge of the extent of vitamin A (VA) deficiency (D) is critical for identifying high-risk
populations and mobilizing resources for prevention. Yet, all estimates are necessarily …

Vitamin A deficiency affects an estimated 125–130 million preschool-aged children and 7
million pregnant women in low-income countries [1]. Prevalent cases of preschool …

Comprehensive recommendations for the assessment and control of vitamin A deficiency
(VAD) were rigorously reviewed and revised by a working group and presented for …

Vitamin A deficiency (VAD) has been recognized as a public-health issue in developing
countries. Economic constraints, sociocultural limitations, insufficient dietary intake, and poor …

Vitamin A deficiency is an endemic nutrition problem throughout much of the developing
world, especially affecting the health and survival of infants, young children, and pregnant …

Objective: To determine provisional estimates of the extent of vitamin A (VA) deficiency and
xerophthalmia among school-aged children. Design: Literature search of published …

Vitamin A deficiency among children in developing countries remains the leading cause of
preventable severe visual impairment and blindness, and is a significant contributor to …

Vitamin A deficiency (VAD) is a serious and widespread public health problem in developing
countries. We conducted a nationwide food consumption and nutrition survey in Nigeria to …

Vitamin A deficiency (VAD) is an important public health problem worldwide that contributes
significantly to the global burden of disease. Vitamin A deficiency disorders include …

Many studies over the past decade and a half have indicated that vitamin A status is an
important determinant of health. The World Bank now estimates that vitamin A intervention …