Table 3.

Incidence Infection Rates of SARS-CoV-2 and BNT162b2 Vaccine Effectiveness According to Population Sectors

	No. of Exposure Days	PCR- Positive Cases	Incidence Rate per 10 000 Person-Days	Rate Reduction Compared With Unvaccinated (95% CI), %
Arabs and general Jewish population (n = 5109)
Before the 1st vaccine (= unvaccinated)	55 250	197	36	NA
≥14 d following the 1st dose	25 457	48	19	47 (28–61)
1–6 d following the 2nd dose	15 153	13	9	76 (58–86)
≥7 d following the 2nd dose	23 674	12	5	86 (75–92)
Ultra-orthodox Jewish populations (n = 1177)
Before the 1st vaccine (= unvaccinated)	16 547	185	112	NA
≥14 d following the 1st dose	3270	11	34	70 (45–84)
1–6 d following the 2nd dose	1768	3	17	85 (53–95)
≥7 d following the 2nd dose	2586	3	12	90 (68–97)

Abbreviations: PCR, polymerase chain reaction; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2.