Table 1.

Relative incidence of intussusception in the risk periods after first, second and third doses of Rotavac® vaccine in age-eligible Indian infants (n=589) between 28-365 days of age with a confirmed history of having received or not received rotavirus vaccination by the self-controlled case series method.

Doses of rotavirus vaccine	Risk Period (days)	No. of cases in risk period	RI (95% CI)
Dose 1	1-7 days	2	0.83 (0.0-3.00)
	8-21 days	2	0.35 (0.0-1.09)
	1-21 days	4	0.52 (0.08-1.27)
Dose 2	1-7 days	4	0.86 (0.20-2.15)
	8-21 days	15	1.23 (0.60-2.10)
	1-21 days	19	1.13 (0.61-1.94)
Dose 3	1-7 days	15	1.65 (0.82-2.64)
	8-21 days	22	1.08 (0.69-1.73)
	1-21 days	37	1.24 (0.81-1.82)

^#The date of intussusception was considered as the date of onset of symptoms

^*Of 589 children included in the analysis, 377 (64%) were vaccinated with 1 or more dose and 212 (36%) did not receive any dose of the rotavirus vaccine under study.