Influenza Positive Tests Reported to CDC by
U.S. Clinical Laboratories
2017-2018 Season

Week	Total A	Total B	Percent Positive A	Percent Positive B	Total # Tested	% Positive
201740	226	114	1.47	0.74	15369	2.21
201741	247	97	1.5	0.59	16406	2.09
201742	274	109	1.55	0.62	17579	2.17
201743	330	130	1.85	0.73	17777	2.58
201744	504	222	2.52	1.11	19948	3.63
201745	683	247	3.22	1.16	21183	4.39
201746	937	319	3.95	1.34	23713	5.29
201747	1316	339	5.61	1.44	23428	7.06
201748	1511	423	5.64	1.58	26751	7.22
201749	2179	520	7.78	1.85	28000	9.63
201750	4450	814	12.7	2.32	35015	15.03
201751	8806	1664	18.93	3.57	46518	22.5
201752	11448	1995	21.35	3.72	53598	25.08
201801	12606	2431	20.84	4.01	60486	24.86
201802	14627	3104	21.87	4.64	66869	26.51
201803	13936	3637	21.2	5.53	65723	26.73
201804	15973	5201	20.24	6.59	78882	26.84
201805	14483	6380	18.12	7.98	79925	26.1
201806	13459	7543	16.99	9.52	79202	26.51
201807	10907	7788	14.91	10.65	73116	25.56
201808	6856	6060	11.76	10.39	58286	22.15
201809	4185	4233	9.11	9.21	45927	18.32
201810	2773	3318	7.1	8.49	39055	15.59
201811	2273	3201	6.47	9.11	35101	15.59
201812	1906	2847	6.08	9.09	31316	15.17
201813	1634	2739	5.64	9.46	28934	15.11
201814	1064	2167	4.15	8.46	25594	12.62
201815	839	1823	3.53	7.67	23752	11.2
201816	550	1332	2.74	6.65	20021	9.4
201817	443	1028	2.3	5.35	19208	7.65
201818	335	697	2.03	4.22	16497	6.25
201819	185	429	1.28	2.98	14367	4.27
201820	168	227	1.32	1.79	12678	3.11
201821	114	157	0.99	1.37	11442	2.36
201822	76	86	0.72	0.81	10546	1.53
201823	71	79	0.7	0.78	10016	1.49
201824	49	65	0.56	0.74	8739	1.3
201825	46	38	0.56	0.46	8188	1.02
201826	56	29	0.75	0.39	7425	1.14
201827	41	23	0.68	0.38	5951	1.07
201828	45	14	0.74	0.23	6031	0.97
201829	46	15	0.86	0.28	5309	1.14