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	20180	1.98
201843	340	101	1.59	0.47	21363	2.06
201844	389	99	1.74	0.44	22352	2.18
201845	543	98	2.32	0.41	23394	2.74
201846	668	102	2.74	0.41	24378	3.15
201847	893	73	3.63	0.29	24596	3.92
201848	998	105	3.54	0.37	28143	3.91
201849	1660	150	5.74	0.51	28919	6.25
201850	3240	191	9.82	0.57	32983	10.4
201851	5286	185	13.82	0.48	38239	14.3
201852	6842	235	15.84	0.54	43168	16.39
201901	5233	141	11.84	0.31	44173	12.16
201902	5065	213	12.23	0.51	41399	12.74
201903	6652	180	15.91	0.43	41802	16.34
201904	8293	241	18.87	0.54	43934	19.42
201905	10601	277	21.95	0.57	48278	22.53
201906	13055	407	24.35	0.75	53609	25.11
201907	13245	500	25.07	0.94	52821	26.02
201908	13617	461	25.38	0.85	53640	26.24
201909	13351	427	25.28	0.8	52792	26.09
201910	12408	401	24.42	0.78	50809	25.21
201911	13296	554	25.1	1.04	52970	26.14
201912	10264	594	21.28	1.23	48229	22.51
201913	7478	576	17.94	1.38	41670	19.32
201914	4462	490	13.55	1.48	32923	15.04
201915	2266	403	10.05	1.78	22526	11.84