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	27098	1654	23.25	1.41	116539	24.67
202601	18493	1397	17.2	1.29	107490	18.5
202602	14688	1493	15.46	1.57	94995	17.03
202603	13594	2406	14.89	2.63	91237	17.53
202604	11997	3228	13.75	3.7	87211	17.45
202605	11729	5065	12.69	5.48	92374	18.18
202606	9629	7530	10.4	8.13	92515	18.54
202607	6874	8442	8.03	9.87	85506	17.91