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	15314	2.22
201741	245	97	1.49	0.59	16340	2.09
201742	274	109	1.56	0.62	17511	2.18
201743	329	129	1.86	0.72	17684	2.58
201744	502	220	2.52	1.1	19865	3.63
201745	680	242	3.22	1.14	21083	4.37
201746	935	315	3.95	1.33	23627	5.29
201747	1314	336	5.63	1.44	23318	7.07
201748	1506	413	5.65	1.55	26613	7.21
201749	2174	512	7.79	1.83	27878	9.63
201750	4426	798	12.7	2.29	34827	14.99
201751	8756	1629	18.95	3.52	46195	22.48
201752	11390	1981	21.38	3.71	53270	25.1
201801	12560	2408	20.89	4	60105	24.9
201802	14584	3088	21.91	4.63	66559	26.55
201803	13914	3627	21.24	5.53	65493	26.78
201804	15948	5182	20.27	6.58	78664	26.86
201805	14466	6367	18.14	7.98	79722	26.13
201806	13441	7535	17.01	9.53	79018	26.54
201807	10902	7774	14.94	10.65	72935	25.6
201808	6846	6056	11.77	10.41	58159	22.18
201809	4183	4223	9.13	9.21	45804	18.35
201810	2772	3316	7.11	8.51	38965	15.62
201811	2273	3199	6.49	9.13	35004	15.63
201812	1906	2843	6.08	9.07	31316	15.16
201813	1634	2738	5.64	9.46	28934	15.11
201814	1064	2167	4.15	8.46	25594	12.62
201815	839	1822	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	14358	4.27
201820	160	214	1.27	1.7	12573	2.97
201821	114	157	0.99	1.37	11409	2.37
201822	76	85	0.72	0.8	10507	1.53
201823	71	78	0.71	0.78	9931	1.5
201824	49	65	0.57	0.76	8510	1.33
201825	46	38	0.56	0.47	8085	1.03
201826	56	28	0.77	0.38	7248	1.15
201827	38	21	0.75	0.41	5059	1.16