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	113	1.47	0.73	15298	2.21
201741	244	95	1.49	0.58	16305	2.07
201742	274	109	1.56	0.62	17495	2.18
201743	328	129	1.85	0.73	17657	2.58
201744	501	219	2.52	1.1	19826	3.63
201745	680	242	3.23	1.14	21044	4.38
201746	933	313	3.95	1.32	23585	5.28
201747	1313	335	5.64	1.43	23268	7.08
201748	1504	412	5.66	1.55	26550	7.21
201749	2174	512	7.81	1.84	27818	9.65
201750	4412	794	12.7	2.28	34719	14.99
201751	8727	1624	18.94	3.52	46066	22.46
201752	11359	1975	21.38	3.71	53119	25.1
201801	12520	2404	20.89	4.01	59922	24.9
201802	14539	3077	21.9	4.63	66372	26.54
201803	13873	3614	21.24	5.53	65293	26.78
201804	15910	5175	20.27	6.59	78487	26.86
201805	14432	6356	18.14	7.99	79531	26.13
201806	13408	7512	17.01	9.53	78819	26.54
201807	10890	7759	14.96	10.66	72767	25.62
201808	6842	6045	11.78	10.41	58054	22.19
201809	4181	4215	9.14	9.21	45716	18.36
201810	2772	3314	7.12	8.51	38905	15.64
201811	2271	3198	6.49	9.14	34957	15.64
201812	1906	2841	6.09	9.08	31277	15.17
201813	1634	2738	5.65	9.47	28905	15.12
201814	1063	2166	4.15	8.47	25569	12.62
201815	837	1821	3.52	7.67	23730	11.2
201816	550	1332	2.75	6.66	19999	9.41
201817	443	1027	2.3	5.35	19189	7.66
201818	335	696	2.03	4.22	16476	6.25
201819	185	429	1.29	2.99	14322	4.28
201820	160	214	1.27	1.7	12546	2.98
201821	114	156	1	1.37	11308	2.38
201822	74	84	0.74	0.84	9933	1.59
201823	67	71	0.75	0.79	8920	1.54
201824	15	19	0.25	0.32	5843	0.58