Influenza Positive Tests Reported to CDC by
U.S. Clinical Laboratories
2025-2026 Season

Week	Total A	Total B	Percent Positive A	Percent Positive B	Total # Tested	% Positive
202540	243	46	0.43	0.08	55704	0.51
202541	257	44	0.45	0.07	57031	0.52
202542	307	51	0.55	0.09	55540	0.64
202543	399	47	0.7	0.08	56778	0.78
202544	553	62	0.98	0.11	56046	1.09
202545	1060	120	1.71	0.19	61928	1.9
202546	1877	180	2.97	0.28	62987	3.26
202547	3334	285	5.04	0.43	66135	5.47
202548	4766	293	7.56	0.46	63026	8.02
202549	6204	333	8.49	0.45	73017	8.95
202550	12134	599	14.67	0.72	82704	15.39
202551	25590	1378	24.19	1.3	105746	25.5
202552	35909	2070	29.95	1.72	119874	31.68
202553	27191	1673	23.16	1.42	117383	24.58
202601	18609	1407	17.16	1.29	108393	18.46
202602	14748	1497	15.41	1.56	95697	16.97
202603	13635	2418	14.85	2.63	91774	17.49
202604	12053	3234	13.7	3.67	87953	17.38
202605	11918	5094	12.63	5.4	94316	18.03
202606	9975	7629	10.38	7.93	96097	18.31
202607	7737	9818	7.93	10.07	97472	18.01
202608	5198	9490	5.56	10.16	93329	15.73
202609	3693	9838	4.22	11.25	87427	15.47
202610	2260	8868	2.84	11.16	79461	14
202611	1208	5701	2	9.46	60251	11.46