Influenza Positive Tests Reported to CDC by
U.S. Clinical Laboratories
2019-2020 Season

Week	Total A	Total B	Percent Positive A	Percent Positive B	Total # Tested	% Positive
201940	136	124	0.68	0.62	19851	1.3
201941	146	181	0.66	0.81	22113	1.47
201942	172	187	0.74	0.8	23131	1.55
201943	201	354	0.81	1.43	24630	2.25
201944	221	556	0.86	2.18	25417	3.05
201945	414	1075	1.43	3.72	28842	5.16
201946	535	1589	1.7	5.05	31439	6.75
201947	903	2581	2.47	7.07	36497	9.54
201948	1079	2793	3.04	7.89	35398	10.93
201949	1426	3461	3.4	8.25	41929	11.65
201950	2158	5097	4.8	11.34	44911	16.15
201951	3697	8579	6.78	15.74	54480	22.53
201952	5980	11264	9.34	17.59	64024	26.93
202001	5645	9664	8.66	14.82	65177	23.48
202002	6109	7928	10.06	13.05	60717	23.11
202003	7712	8020	12.78	13.29	60316	26.08
202004	9478	8764	14.69	13.58	64502	28.28
202005	12102	9671	16.75	13.39	72224	30.14
202006	12960	8787	18.03	12.22	71868	30.25
202007	13372	7180	19.3	10.36	69257	29.67
202008	12714	5755	19.49	8.82	65212	28.32
202009	11713	4363	18.76	6.98	62427	25.75
202010	11050	3378	17.22	5.26	64149	22.49
202011	9077	2690	12.19	3.61	74416	15.81
202012	4131	1352	5.65	1.84	73090	7.5
202013	758	280	1.7	0.63	44376	2.33
202014	195	122	0.64	0.4	30329	1.04
202015	75	46	0.38	0.23	19537	0.61
202016	58	32	0.4	0.22	14415	0.62
202017	20	8	0.15	0.06	12801	0.21
202018	19	8	0.18	0.07	10248	0.26
202019	14	15	0.15	0.16	8875	0.32
202020	13	10	0.16	0.12	7799	0.29
202021	8	8	0.1	0.1	7506	0.21
202022	7	3	0.11	0.04	6043	0.16
202023	9	12	0.14	0.19	6129	0.34
202024	8	7	0.14	0.12	5670	0.26
202025	12	7	0.23	0.13	5169	0.36
202026	9	7	0.16	0.12	5604	0.28
202027	6	4	0.1	0.07	5604	0.17
202028	6	2	0.1	0.03	5487	0.14
202029	14	3	0.34	0.07	4108	0.41