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	55704	0.51
202541	257	44	0.45	0.07	57031	0.52
202542	307	51	0.55	0.09	55540	0.64
202543	399	47	0.7	0.08	56778	0.78
202544	553	62	0.98	0.11	56099	1.09
202545	1060	120	1.71	0.19	61988	1.9
202546	1879	180	2.98	0.28	63049	3.26
202547	3340	286	5.04	0.43	66226	5.47
202548	4772	293	7.55	0.46	63138	8.02
202549	6237	335	8.52	0.45	73147	8.98
202550	12213	600	14.73	0.72	82899	15.45
202551	25740	1380	24.28	1.3	106008	25.58
202552	36030	2071	29.98	1.72	120165	31.7
202553	27294	1674	23.2	1.42	117632	24.62
202601	18758	1409	17.26	1.29	108661	18.55
202602	14831	1504	15.46	1.56	95892	17.03
202603	13675	2422	14.87	2.63	91921	17.51
202604	12104	3236	13.74	3.67	88092	17.41
202605	11941	5111	12.63	5.4	94482	18.04
202606	9993	7649	10.38	7.94	96250	18.32
202607	7747	9845	7.93	10.08	97612	18.02
202608	5221	9516	5.55	10.12	93994	15.67
202609	3770	10017	4.19	11.15	89833	15.34
202610	2386	9144	2.85	10.95	83446	13.81
202611	1541	6914	2.04	9.16	75410	11.21
202612	1123	5618	1.6	8.01	70086	9.61
202613	785	4062	1.27	6.58	61700	7.85
202614	533	3025	0.9	5.12	59034	6.02
202615	437	2119	0.78	3.82	55340	4.61
202616	313	1309	0.72	3.03	43174	3.75