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	25702	1377	24.27	1.3	105861	25.57
202552	35716	2034	30.03	1.71	118895	31.75
202553	26705	1603	23.27	1.39	114736	24.67
202601	18199	1365	17.21	1.29	105737	18.5
202602	14519	1454	15.54	1.55	93373	17.1
202603	12875	2304	15.05	2.69	85517	17.74
202604	9893	2976	13.83	4.16	71514	17.99