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	55342	0.52
202541	257	44	0.45	0.07	56380	0.53
202542	308	51	0.56	0.09	54861	0.65
202543	400	47	0.71	0.08	56143	0.79
202544	553	62	0.99	0.11	55589	1.1
202545	1060	120	1.72	0.19	61545	1.91
202546	1877	180	3	0.28	62555	3.28
202547	3332	285	5.07	0.43	65660	5.5
202548	4680	282	7.55	0.45	61913	8.01
202549	6097	326	8.5	0.45	71722	8.95
202550	12185	598	14.84	0.72	82059	15.57
202551	25486	1376	24.42	1.31	104330	25.74
202552	34221	2006	29.23	1.71	117052	30.94
202553	25590	1555	23.25	1.41	110027	24.67
202601	16337	1237	17.26	1.3	94649	18.56