Table 2.

Adjusted rate ratios of study cohort versus the vaccinated cohorts of interest in children aged 5–10 years

	Confirmed infections (at-risk days), n	Adjusted rate per 100 000 at-risk days (95% CI)	Adjusted rate ratio vs second dose
Unvaccinated	10 048 (4 420 027)	239 (235–244)	2·4 (2·2–2·6)
Internal control	743 (318 513)	232 (215–248)	2·3 (2·0–2·5)
Second dose (14–35 days)	576 (347 726)	102 (94–110)	Ref

Adjusted for age category, sex, socioeconomic status (low, medium, or high), calendar week, and an exposure risk measure, for the study period, Dec 26, 2021, to Jan 8, 2022. Results are shown for the main study population and thus include only the general Jewish population.