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	227	114	1.47	0.73	15410	2.21
201741	247	98	1.49	0.59	16471	2.09
201742	274	109	1.55	0.61	17640	2.17
201743	331	130	1.85	0.72	17826	2.58
201744	504	222	2.51	1.1	20004	3.62
201745	684	247	3.21	1.16	21257	4.37
201746	937	319	3.94	1.34	23775	5.28
201747	1316	339	5.6	1.44	23479	7.04
201748	1513	426	5.63	1.58	26828	7.22
201749	2181	521	7.76	1.85	28083	9.62
201750	4457	815	12.69	2.32	35100	15.01
201751	8823	1665	18.91	3.56	46643	22.48
201752	11486	1998	21.37	3.71	53748	25.08
201801	12752	2456	20.88	4.02	61072	24.9
201802	14778	3117	21.89	4.61	67494	26.51
201803	14079	3656	21.22	5.51	66324	26.73
201804	16154	5242	20.27	6.57	79674	26.85
201805	14594	6408	18.12	7.95	80525	26.08
201806	13560	7573	16.99	9.49	79787	26.48
201807	10990	7828	14.92	10.63	73612	25.56
201808	6925	6107	11.74	10.35	58985	22.09
201809	4224	4271	9.07	9.17	46530	18.25
201810	2800	3354	7.06	8.46	39608	15.53
201811	2297	3227	6.46	9.08	35523	15.55
201812	1923	2870	6.04	9.02	31798	15.07
201813	1649	2761	5.63	9.43	29263	15.07
201814	1107	2206	4.21	8.4	26235	12.62
201815	871	1863	3.58	7.67	24285	11.25
201816	575	1373	2.79	6.66	20585	9.46
201817	454	1042	2.29	5.27	19753	7.57
201818	342	706	2.04	4.22	16701	6.27
201819	189	442	1.29	3.01	14640	4.31
201820	172	235	1.33	1.82	12879	3.16
201821	114	158	0.98	1.36	11580	2.34
201822	76	87	0.71	0.81	10655	1.52
201823	73	79	0.72	0.77	10137	1.49
201824	49	65	0.55	0.73	8837	1.29
201825	47	38	0.56	0.45	8353	1.01
201826	56	29	0.73	0.38	7622	1.11
201827	42	24	0.63	0.36	6645	0.99
201828	46	14	0.67	0.2	6785	0.88
201829	51	15	0.75	0.22	6719	0.98
201830	46	18	0.69	0.27	6593	0.97
201831	43	16	0.7	0.26	6068	0.97
201832	41	20	0.61	0.3	6636	0.91
201833	36	18	0.52	0.26	6882	0.78
201834	74	27	0.97	0.35	7564	1.33
201835	99	31	1.17	0.36	8404	1.54
201836	113	50	1.21	0.53	9321	1.74
201837	140	43	1.27	0.39	10963	1.66
201838	37	25	0.4	0.27	9112	0.68