From: A double blind randomized controlled trial in neonates to determine the effect of vitamin A supplementation on immune responses: The Gambia protocol
Age (week)
Vaccine
0 (within 48Â hours of birth)
BCG, HBV, OPV
8
Pentavalent, OPV, PCV-13
12
16
26
VAS (100,000Â IU)
40
Measles, Yellow Fever, OPV
52
VAS (200,000Â IU)