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	113	1.47	0.73	15439	2.2
201741	245	95	1.49	0.57	16440	2.06
201742	278	110	1.57	0.62	17638	2.19
201743	332	130	1.86	0.72	17816	2.59
201744	503	223	2.51	1.11	19964	3.63
201745	681	242	3.21	1.14	21168	4.36
201746	933	312	3.96	1.32	23553	5.28
201747	1316	332	5.67	1.43	23178	7.11
201748	1507	412	5.68	1.55	26486	7.24
201749	2175	510	7.83	1.83	27760	9.67
201750	4411	792	12.73	2.28	34632	15.02
201751	8721	1632	18.96	3.54	45979	22.51
201752	11349	1987	21.44	3.75	52918	25.2
201801	11955	2344	20.74	4.06	57627	24.81
201802	13348	2814	21.39	4.51	62378	25.9
201803	10536	2885	20.95	5.73	50276	26.69