19510 days old using PeaPod. Their total body water was assessed using isotope dilution. Furthermore, PeaPod was used to assess body volume and body weight of 108 healthy fullterm infants at one and 12 weeks of age.Results: HF was found to be 80.9% with a low biological variability (0.81% of average HF). Values for body fat (%) calculated using the "Butte" model were significantly lower than when using the "Fomon" model at one week (p< 0.05) and 12 weeks (p< 0.01). The difference between the two models was particularly large at one week, probably due to different HF-values. Conclusions:Our HF-value is in agreement with that in the "Fomon" model and our results support the conclusion that this model is preferable when calculating body composition from body density in infants. Background and aims: Nowadays, asymptomatic micronutrient deficiencies are gaining importance as a public health problem and getting attention of the health authorities. Vitamin A and zinc deficiencies are common micronutrient deficiencies like iron and iodine deficiency. This study was undertaken to investigate the prevalance of asymptomatic vitamin A and zinc deficiency among school-aged children and to evaluate the affecting factors. VITAMIN A AND ZINC DEFICIENCY IN SCHOOL-AGED CHILDREN IN

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