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	13197	500	25.07	0.94	52637	26.02
201908	13548	460	25.34	0.86	53448	26.2
201909	13280	427	25.25	0.81	52593	26.06
201910	12366	401	24.41	0.79	50649	25.2
201911	12360	524	24.55	1.04	50342	25.59
201912	9615	574	20.92	1.24	45955	22.17
201913	6854	536	17.63	1.37	38861	19.01
201914	3570	387	13.66	1.48	26127	15.14