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	0.99	0.11	55589	1.1
202545	1060	120	1.72	0.19	61545	1.91
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	6100	326	8.44	0.45	72260	8.89
202550	12200	598	14.77	0.72	82564	15.5
202551	25661	1376	24.31	1.3	105555	25.61
202552	35606	2030	30.16	1.71	118032	31.88
202553	26118	1560	23.25	1.38	112311	24.64
202601	17835	1342	17.45	1.31	102176	18.76
202602	13095	1256	16.11	1.54	81258	17.66