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	15438	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	19973	3.63
201745	681	242	3.21	1.14	21168	4.36
201746	933	312	3.95	1.32	23571	5.28
201747	1318	332	5.67	1.43	23210	7.1
201748	1508	412	5.68	1.55	26524	7.23
201749	2176	511	7.83	1.83	27786	9.67
201750	4416	794	12.73	2.28	34676	15.02
201751	8733	1633	18.96	3.54	46043	22.51
201752	11390	1996	21.46	3.76	53071	25.22
201801	12565	2431	20.91	4.04	60082	24.95
201802	14530	3077	21.92	4.64	66281	26.56
201803	13852	3615	21.19	5.53	65344	26.73
201804	15839	5187	20.16	6.6	78530	26.77
201805	14269	6340	18.04	8.01	79075	26.06
201806	13130	7388	16.93	9.52	77533	26.46
201807	10772	7740	14.91	10.71	72221	25.63
201808	6763	6023	11.73	10.44	57648	22.17
201809	3972	3987	9.06	9.1	43802	18.17
201810	2586	3025	7.17	8.39	36020	15.57
201811	1828	2498	6.47	8.85	28213	15.33