Table 3. Rate reduction of deaths among SARS-CoV-2–positive persons who received the BNT162b2 COVID-19 vaccine booster dose, Israel*.

Age group, y	Time of first positive SARS-CoV-2 PCR test after index date, wk	Unvaccinated SARS-CoV-2–positive persons			Vaccinated SARS-CoV-2–positive persons		Adjusted 1 – IRR, % (95% CI)†
		Deaths	Total		Deaths	Total
16–59	2	45	22,545		0	1,343	100
	3	36	18,232		0	455	100
	4	27	12,962		0	293	100
	5	17	8,555		0	210	100
	6	11	5,531		0	138	100
	7	6	3,573		0	131	100
	8	5	2,626		0	83	100
	9	4	2,013		0	54	100
	10	3	1,714		0	57	100
	11	3	1,401		0	66	100
	12	3	1,385		0	90	100
	13	2	1,442		0	118	100
	14	1	1,569		0	154	100
	15	1	2,145		0	351	100
	16	1	4,088		0	884	100
	2–16 combined	72	41,135		0	4,427	100
>60	2	243	1,985		31	1,314	81.9 (70.4–88.9)
	3	246	2,200		13	464	76.0 (55.3–87.2)
	4	226	2,160		13	375	68.1 (49.6–79.8)
	5	229	2,164		11	319	68.7 (42.7–82.9)
	6	201	2,033		7	296	76.5 (55.9–87.4)
	7	166	1,724		8	271	70.5 (29.4–87.7)
	8	122	1,276		8	221	63.1 (29.4–80.7)
	9	89	869		2	147	87.6 (53.7–96.7)
	10	59	577		5	86	49.1 (−44.3 to 82.1)
	11	30	376		0	63	100.0
	12	19	258		1	44	67.7 (−189.8 to 96.4)
	13	19	208		1	52	78.7 (−89.9 to 97.6)
	14	22	183		1	49	85.0 (8.5–97.5)
	15	21	170		1	47	85.3 (−21.3 to 98.2)
	16	17	162		0	44	100.0
	17	11	151		1	56	74.6 (−225.9 to 98.0)
	18	10	147		0	69	100.0
	19	7	184		2	125	56.5 (−144.3 to 92.3)
	20	8	305		3	432	70.7 (−2.7 to 91.7)
	2–20 combined	686	6,673		108	4,474	77.1 (71.2–81.8)

*COVID-19, coronavirus disease; IRR, incidence rate ratio; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2. †Adjusted for sex and epidemiologic week.