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	13360	428	25.28	0.81	52828	26.09
201910	13141	426	24.83	0.8	52916	25.63
201911	13333	556	25.11	1.04	53079	26.16
201912	10303	598	21.27	1.23	48432	22.5
201913	7644	587	17.98	1.38	42510	19.36
201914	4852	582	13.34	1.6	36362	14.94
201915	3169	548	10.15	1.75	31215	11.9
201916	1698	492	6.34	1.83	26757	8.18
201917	875	368	3.95	1.66	22145	5.61
201918	453	233	3.08	1.58	14666	4.67