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	14574	3088	21.98	4.65	66281	26.64
201803	13852	3615	21.19	5.53	65344	26.73
201804	15839	5187	20.16	6.6	78530	26.77
201805	14353	6381	18.04	8.02	79546	26.06
201806	13358	7551	16.91	9.56	78979	26.47
201807	10841	7784	14.87	10.67	72894	25.55
201808	6781	6049	11.68	10.41	58053	22.1
201809	4156	4221	9.07	9.21	45810	18.28
201810	2734	3249	7.1	8.44	38468	15.55
201811	2192	3085	6.44	9.06	34027	15.5
201812	1509	2066	6.2	8.49	24329	14.69