Table 5. Incidence rates (IRs) of ILI and sARI cases for infant under 6 months, stratified by age groups and for the overall cohort.

Age group (weeks)	ILI		sARI
	No. of cases	IR per 1,000 person-days (95% CI)	No. of cases	IR per 1,000 person-days (95% CI)
0–7.9	46	9.10 (8.21–10.1)	80	21.3 (20.0–22.8)
8–15.9	69	10.9 (10.0–11.9)	72	15.7 (14.7–16.9)
16–24	131	26.8 (25.2–28.5)	103	25.8 (24.2–27.4)
Overall	246	15.2 (14.5–15.8)	255	20.5 (19.7–21.3)