(B)
	Adjusted IVE estimates (all vaccines)				Adjusted IVE estimates (QIV/LAIV only)
Season 2017/18	Controls	Cases	Adjusted IVE		Controls	Cases	Adjusted IVE
	Vacc/unvacc	Vacc/unvacc	IVE (%)	CI(95%)	Vacc/unvacc	Vacc/unvacc	IVE (%)	CI (95%)
Any influenza, N = 1,198			adj. sex, (age), comorbidity			adj. sex, (age), comorbidity
All patients	26/416	30/726	39	−5 to 65	10/416	10/726	46	−30 to 78
0–14	9/181	5/287	65	−6 to 88	4/181	3/287	73	−28 to 94
15–64	14/219	21/414	19	−63 to 60	6/219	6/414	47	−69 to 83
65+	3/16	4/25	15	−333 to 83	0/16	1/25	n.d
Influenza A(H1N1)pdm09, N = 705			adj. sex, (age), comorbidity			adj. sex, (age), comorbidity
All patients	26/416	11/252	25	−56 to 64	10/416	2/252	66	−56 to 93
0–14	9/181	1/133	85	−23 to 98	4/181	1/133	72	−163 to 97
15–64	14/219	9/117	−19	−185 to 50	6/219	1/117	68	−172 to 96
65+	3/16	1/2	22	−1,632 to 96	0/16	0/2	n.d.
Influenza B, N = 935			adj. sex, (age), comorbidity			adj. sex, (age), comorbidity
All patients	26/416	19/474	45	−2 to 70	10/416	8/474	40	−56 to 77
0–14	9/181	4/154	63	−38 to 90	4/181	2/154	76	−45 to 96
15–64	14/219	12/297	39	−36 to 72	6/219	5/297	41	−98 to 82
65+	3/16	3/23	29	−395 to 90	0/16	1/23	n.d