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	56327	0.53
202542	306	51	0.55	0.09	54819	0.65
202543	398	47	0.7	0.08	56091	0.79
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	35617	2039	29.96	1.71	118858	31.68
202553	27058	1654	23.2	1.41	116586	24.62
202601	18510	1397	17.19	1.29	107650	18.49
202602	14675	1493	15.45	1.57	94942	17.02
202603	13552	2405	14.86	2.63	91159	17.5
202604	11998	3226	13.72	3.69	87390	17.42
202605	11739	5068	12.68	5.47	92511	18.16
202606	9801	7584	10.42	8.06	94027	18.48
202607	7501	9474	8.01	10.11	93633	18.12
202608	4477	7897	5.71	10.07	78361	15.79