Influenza Positive Tests Reported to CDC by
U.S. Clinical Laboratories
2024-2025 Season

Week	Total A	Total B	Percent Positive A	Percent Positive B	Total # Tested	% Positive
202440	390	56	0.58	0.08	66166	0.67
202441	414	54	0.59	0.07	69718	0.67
202442	465	63	0.63	0.08	72766	0.72
202443	644	86	0.85	0.11	75603	0.96
202444	843	74	1.12	0.09	75257	1.21
202445	1088	84	1.41	0.1	76717	1.52
202446	1604	126	1.95	0.15	81959	2.11
202447	2291	167	2.64	0.19	86735	2.83
202448	3122	187	3.72	0.22	83810	3.94
202449	4803	261	4.88	0.26	98301	5.15
202450	8760	368	8.24	0.34	106220	8.59
202451	17004	513	13.76	0.41	123540	14.17
202452	23288	612	17.76	0.46	131073	18.23
202501	24614	660	17.74	0.47	138730	18.21
202502	23900	700	17.87	0.52	133713	18.39
202503	32808	926	23.17	0.65	141593	23.82
202504	41315	1293	27.87	0.87	148220	28.74
202505	52929	2113	30.43	1.21	173919	31.64
202506	53136	2900	29.78	1.62	178401	31.41
202507	41545	3177	25.85	1.97	160655	27.83
202508	30297	3612	21.39	2.55	141640	23.94
202509	22365	3598	16.77	2.69	133284	19.47
202510	14896	3677	12.71	3.13	117139	15.85
202511	10590	3779	9.81	3.5	107929	13.31
202512	6506	3950	6.67	4.05	97462	10.72
202513	4481	3891	4.93	4.28	90720	9.22
202514	2864	3415	3.45	4.12	82841	7.57
202515	1869	3063	2.33	3.82	79982	6.16
202516	1348	2599	1.8	3.47	74735	5.28
202517	1007	2189	1.39	3.03	72240	4.42
202518	621	1531	0.96	2.37	64423	3.34
202519	399	1060	0.71	1.9	55637	2.62
202520	291	860	0.54	1.6	53718	2.14
202521	265	714	0.51	1.4	50966	1.92
202522	289	594	0.62	1.27	46578	1.89
202523	264	469	0.59	1.05	44553	1.64
202524	195	316	0.47	0.77	41026	1.24
202525	187	221	0.49	0.58	37955	1.07
202526	170	128	0.5	0.38	33681	0.88
202527	154	112	0.47	0.34	32246	0.82
202528	144	109	0.43	0.33	32763	0.77
202529	93	49	0.35	0.18	26022	0.54