Table 1.

Timepoints for vaccination and stool specimen collection

	tOPV	bOPV and IPV (one dose)	bOPV and IPV (two doses)
Vaccine regimen
tOPV	6, 10, and 14 weeks	..	..
bOPV	..	6, 10, and 14 weeks	6, 10, and 14 weeks
IPV	..	14 weeks	14 and 18 weeks
BCG	6 weeks	6 weeks	6 weeks
Measles	9 and 15 months	9 and 15 months	9 and 15 months
Penta	6, 10, and 14 weeks	6, 10, and 14 weeks	6, 10, and 14 weeks
PCV	6, 10, and 18 weeks	6, 10, and 18 weeks	6, 10, and 18 weeks
RotaTeq*	6, 10, and 14 weeks	6, 10, and 14 weeks	6, 10, and 14 weeks
Rubella	9 months	9 months	9 months
Stool collection schedule
Enrolment in study	Age 6 weeks	Age 6 weeks	Age 6 weeks
Day after first oral polio vaccine†	Age 6 weeks + 1 day	Age 6 weeks + 1 day	Age 6 weeks + 1 day
After completion of polio vaccine regimen	Age 18 weeks	Age 18 weeks	Age 18 weeks
Day before mOPV2 campaign	Week 0 of mOPV2 campaign	Week 0 of mOPV2 campaign	Week 0 of mOPV2 campaign
Weekly after mOPV2 campaign (every 7 days)	Weeks 1–10 of mOPV2 campaign	Weeks 1–10 of mOPV2 campaign	Weeks 1–10 of mOPV2 campaign
Monthly, 10 weeks after mOPV2 campaign (every 28 days)	Weeks 14, 18, and 22 of mOPV2 campaign	Weeks 14, 18, and 22 of mOPV2 campaign	Weeks 14, 18, and 22 of mOPV2 campaign

Data are age of vaccinated infant for vaccine regimen; and age of infant or time in mOPV2 campaign for stool collection schedule. BCG=bacillus Calmette-Guérin vaccine against tuberculosis. bOPV=bivalent types 1 and 3 oral polio vaccine. IPV=inactivated polio vaccine. mOPV2=monovalent type 2 oral polio vaccine. PCV=pneumococcal conjugate vaccine. Penta=pentavalent vaccine for diphtheria, tetanus, whooping cough, hepatitis B, and Haemophilus influenzae type B. RotaTeq=pentavalent oral vaccine against rotavirus. tOPV=trivalent oral polio vaccine.

^*Roughly 100 enrolled infants did not receive all or part of the RotaTeq series because of supply issues.

^†Stool specimens gathered only from enrolled infants.