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	1672	23.16	1.42	117375	24.59
202601	18607	1406	17.16	1.29	108386	18.46
202602	14748	1496	15.41	1.56	95692	16.97
202603	13634	2418	14.85	2.63	91763	17.49
202604	12052	3234	13.7	3.67	87948	17.38
202605	11917	5094	12.63	5.4	94306	18.03
202606	9843	7598	10.38	8.01	94805	18.39
202607	7611	9732	7.94	10.16	95772	18.1
202608	5015	9268	5.57	10.3	89942	15.88
202609	3065	8187	4.17	11.15	73380	15.33