The Effects of Iron Treatment on Malaria and Measles Vaccine Response in Kenyan Infants With Iron Deficiency

Inclusion Criteria: * Subject's caregiver is willing and able to give informed consent * Male or Female, 6 months (+/- 2 weeks) of age * Mother at least ≥15 years of age * Iron deficient (erythrocyte zinc protoporphyrin (ZnPP) \>61 μmol/mol heme) * With or without anemia (anemia defined by Hb \<110 g/L) Exclusion Criteria: * Severely anemic (Hb \<70 g/L) * Malaria vaccination prior to enrollment * Medical condition that precludes study involvement * Iron supplementation 2 weeks before enrollment * Acute or chronic infection (e.g. HIV) * Wasted (length for height z score of ≥-2) or underweight (weight for age z score ≥-2).