Arm | Birth | Age of participant | ||||||||
Day 1 to 6 weeks | 6 weeks | 7 weeks | 8 weeks | 10 weeks | 14 weeks | 18 weeks | 19 weeks | 20 weeks | ||
Lactoferrin | Blood* bOPV | Lactoferrin | Blood Stool bOPV | Stool | Stool | bOPV Blood | bOPV +IPV Stool | Blood Stool bOPV | Stool | Stool |
Placebo | Blood* bOPV | Placebo | Blood Stool bOPV | Stool | Stool | bOPV Blood | bOPV +IPV Stool | Blood Stool bOPV | Stool | Stool |
*Cord blood=maternal antibodies.
IPV, injectable polio vaccine ; OPV, oral polio vaccine.