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	26797	1607	23.24	1.39	115276	24.63
202601	18309	1375	17.21	1.29	106373	18.5
202602	14584	1459	15.52	1.55	93953	17.07
202603	13438	2388	14.94	2.65	89909	17.6
202604	11490	3163	13.76	3.78	83499	17.54
202605	11006	4924	12.7	5.68	86637	18.38
202606	8577	7138	10.78	8.97	79524	19.76