Influenza Positive Tests Reported to CDC by
U.S. Clinical Laboratories
2018-2019 Season

Week	Total A	Total B	Percent Positive A	Percent Positive B	Total # Tested	% Positive
201840	218	71	1.31	0.42	16528	1.74
201841	223	83	1.23	0.46	18035	1.69
201842	311	89	1.54	0.44	20190	1.98
201843	340	101	1.59	0.47	21369	2.06
201844	389	99	1.74	0.44	22352	2.18
201845	543	98	2.32	0.41	23399	2.73
201846	668	102	2.73	0.41	24381	3.15
201847	893	73	3.63	0.29	24598	3.92
201848	998	105	3.54	0.37	28146	3.91
201849	1660	150	5.73	0.51	28923	6.25
201850	3240	191	9.82	0.57	32990	10.4
201851	5286	185	13.82	0.48	38242	14.3
201852	6842	235	15.84	0.54	43184	16.38
201901	5234	141	11.84	0.31	44183	12.16
201902	5065	213	12.23	0.51	41406	12.74
201903	6652	180	15.91	0.43	41806	16.34
201904	8293	241	18.87	0.54	43939	19.42
201905	10602	277	21.95	0.57	48292	22.52
201906	13057	407	24.35	0.75	53615	25.11
201907	13246	500	25.07	0.94	52829	26.01
201908	13618	461	25.38	0.85	53646	26.24
201909	13362	429	25.28	0.81	52837	26.1
201910	13148	426	24.83	0.8	52933	25.64
201911	13336	556	25.11	1.04	53092	26.16
201912	10309	605	21.25	1.24	48494	22.5
201913	7655	587	17.96	1.37	42603	19.34
201914	4881	583	13.36	1.59	36528	14.95
201915	3196	555	10.14	1.76	31513	11.9
201916	1891	509	6.77	1.82	27909	8.59
201917	1027	407	4.17	1.65	24584	5.83
201918	634	328	3.16	1.63	20050	4.79
201919	404	274	2.29	1.55	17640	3.84
201920	333	268	1.96	1.58	16942	3.54
201921	275	256	1.76	1.64	15588	3.4
201922	212	226	1.48	1.57	14305	3.06
201923	144	206	1.14	1.63	12570	2.78
201924	129	134	1.13	1.18	11354	2.31
201925	109	90	1.04	0.86	10421	1.9
201926	93	95	1.02	1.04	9102	2.06
201927	128	85	1.46	0.97	8728	2.44
201928	101	81	1.13	0.9	8931	2.03
201929	106	79	1.28	0.96	8222	2.25
201930	101	85	1.28	1.08	7840	2.37
201931	102	83	1.32	1.07	7720	2.39
201932	74	82	0.98	1.08	7547	2.06
201933	69	87	1.01	1.27	6806	2.29