Different Doses of Vitamin A and Childhood Morbidity and Mortality
Status:
Completed
Trial end date:
2003-08-01
Target enrollment:
Participant gender:
Summary
Vitamin A supplementation reduces all-cause mortality. It is therefore given with oral polio
vaccine in national campaigns. However, it is not clear which dose is optimal. The two
studies that have investigated the impact of different doses of vitamin A have both found
that a smaller dose was better than a large dose. We therefore investigated if a smaller dose
given with oral polio vaccine gives equal or better effect.