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	55743	0.51
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	0.98	0.11	56092	1.09
202545	1060	120	1.7	0.19	61994	1.9
202546	1878	180	2.97	0.28	63031	3.26
202547	3334	285	5.03	0.43	66175	5.46
202548	4766	293	7.55	0.46	63058	8.02
202549	6218	333	8.5	0.45	73093	8.96
202550	12222	598	14.76	0.72	82800	15.48
202551	25692	1377	24.26	1.3	105861	25.57
202552	35721	2035	30.02	1.71	118959	31.73
202553	26716	1604	23.27	1.39	114791	24.67
202601	18213	1367	17.21	1.29	105802	18.5
202602	14536	1454	15.55	1.55	93434	17.11
202603	13349	2381	14.93	2.66	89388	17.59
202604	11261	3143	13.69	3.82	82214	17.52
202605	9561	4662	12.47	6.08	76625	18.56