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	1.58	0.47	21409	2.05
201844	390	99	1.73	0.44	22447	2.17
201845	546	98	2.32	0.41	23515	2.73
201846	668	104	2.72	0.42	24475	3.15
201847	897	76	3.62	0.3	24726	3.93
201848	1001	106	3.53	0.37	28283	3.91
201849	1660	152	5.71	0.52	29028	6.24
201850	3242	194	9.78	0.58	33117	10.37
201851	5288	192	13.78	0.5	38370	14.28
201852	6849	240	15.8	0.55	43325	16.36
201901	5238	152	11.8	0.34	44383	12.14
201902	5075	218	12.21	0.52	41545	12.74
201903	6663	186	15.87	0.44	41959	16.32
201904	8309	243	18.84	0.55	44101	19.39
201905	10659	289	21.96	0.59	48536	22.55
201906	13122	429	24.34	0.79	53892	25.14
201907	13313	509	25.06	0.95	53123	26.01
201908	13680	475	25.38	0.88	53900	26.26
201909	13416	436	25.27	0.82	53088	26.09
201910	13188	434	24.81	0.81	53153	25.62
201911	13364	559	25.08	1.04	53283	26.13
201912	10322	614	21.21	1.26	48659	22.47
201913	7664	593	17.92	1.38	42750	19.31
201914	4883	588	13.33	1.6	36631	14.93
201915	3201	559	10.12	1.76	31608	11.89
201916	1891	511	6.77	1.82	27931	8.59
201917	1028	408	4.17	1.65	24638	5.82
201918	634	332	3.15	1.65	20115	4.8
201919	404	275	2.28	1.55	17687	3.83
201920	333	268	1.96	1.57	16978	3.53
201921	276	258	1.76	1.65	15630	3.41
201922	212	229	1.47	1.59	14341	3.07
201923	144	207	1.14	1.64	12601	2.78
201924	129	134	1.13	1.17	11384	2.31
201925	109	90	1.04	0.86	10450	1.9
201926	93	96	1.01	1.05	9126	2.07
201927	128	85	1.46	0.97	8761	2.43
201928	102	81	1.13	0.9	8988	2.03
201929	105	80	1.26	0.96	8272	2.23
201930	104	85	1.31	1.07	7891	2.39
201931	104	85	1.33	1.08	7805	2.42
201932	79	86	0.98	1.07	8010	2.05
201933	78	93	0.94	1.12	8241	2.07
201934	94	116	1.06	1.31	8807	2.38
201935	140	220	1.35	2.12	10339	3.48
201936	133	228	1.15	1.98	11494	3.14
201937	150	180	1.15	1.38	12993	2.53
201938	153	235	1.11	1.71	13666	2.83
201939	110	289	0.92	2.43	11855	3.36