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	57037	0.52
202542	307	51	0.55	0.09	55540	0.64
202543	399	47	0.7	0.08	56782	0.78
202544	552	62	0.98	0.11	56102	1.09
202545	1061	120	1.71	0.19	61990	1.9
202546	1878	180	2.97	0.28	63050	3.26
202547	3340	286	5.04	0.43	66223	5.47
202548	4772	293	7.55	0.46	63137	8.02
202549	6237	335	8.52	0.45	73142	8.98
202550	12213	600	14.73	0.72	82899	15.45
202551	25740	1380	24.28	1.3	106007	25.58
202552	36026	2071	29.98	1.72	120165	31.7
202553	27293	1674	23.26	1.42	117308	24.69
202601	18759	1409	17.3	1.29	108413	18.6
202602	14829	1504	15.46	1.56	95894	17.03
202603	13686	2422	14.88	2.63	91958	17.51
202604	12112	3237	13.74	3.67	88146	17.41
202605	11944	5111	12.63	5.4	94526	18.04
202606	9993	7649	10.37	7.94	96274	18.32
202607	7749	9845	7.93	10.08	97624	18.02
202608	5220	9516	5.55	10.12	94017	15.67
202609	3771	10017	4.19	11.14	89860	15.34
202610	2390	9144	2.86	10.95	83479	13.81
202611	1541	6917	2.04	9.16	75445	11.21
202612	1126	5618	1.6	8.01	70109	9.61
202613	791	4113	1.24	6.48	63464	7.72
202614	541	3065	0.88	5.02	61036	5.9
202615	454	2233	0.76	3.76	59380	4.52
202616	345	1499	0.63	2.77	53984	3.41
202617	256	1300	0.48	2.48	52397	2.96
202618	223	1057	0.43	2.05	51455	2.48
202619	149	750	0.31	1.59	46976	1.91
202620	114	540	0.26	1.27	42304	1.54
202621	136	405	0.33	0.99	40627	1.33
202622	85	256	0.23	0.7	36330	0.93
202623	56	174	0.19	0.6	28787	0.79