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	1.32	0.43	16446	1.75
201841	223	83	1.24	0.46	17947	1.7
201842	310	89	1.54	0.44	20072	1.98
201843	340	101	1.59	0.47	21279	2.07
201844	390	99	1.75	0.44	22261	2.19
201845	545	98	2.33	0.42	23301	2.75
201846	670	102	2.76	0.42	24260	3.18
201847	891	74	3.63	0.3	24507	3.93
201848	1007	105	3.59	0.37	28038	3.96
201849	1648	150	5.73	0.52	28742	6.25
201850	3190	189	9.72	0.57	32792	10.3
201851	5241	183	13.8	0.48	37968	14.28
201852	6802	234	15.83	0.54	42965	16.37
201901	5211	141	11.84	0.32	43990	12.16
201902	5026	213	12.2	0.51	41195	12.71
201903	6614	180	15.91	0.43	41569	16.34
201904	8264	242	18.9	0.55	43721	19.45
201905	10572	276	21.97	0.57	48103	22.55
201906	13037	407	24.39	0.76	53451	25.15
201907	13193	500	25.06	0.94	52643	26.01
201908	13497	459	25.35	0.86	53239	26.21
201909	12899	389	25.64	0.77	50299	26.41
201910	12014	350	24.96	0.72	48118	25.69
201911	10473	394	25.31	0.95	41377	26.26
201912	6503	373	20.94	1.2	31045	22.14