U.S. Outpatient Influenza-like Illness Surveillance Network (ILINet):
Percentage of Visits for ILI by Age Group Reported by A Subset of ILINet Providers
2025-2026 Season

	0-4 years		5-24 years		25-49 years		50-64 years		65+ years
Week	Total Visits	ILI	Total Visits	ILI	Total Visits	ILI	Total Visits	ILI	Total Visits	ILI
202540	113310	5.3	381836	2.3	655552	1.2	380781	0.8	547084	0.6
202541	114157	5.3	371459	2.3	639154	1.2	375059	0.8	541177	0.6
202542	113502	5.7	364373	2.4	632728	1.3	372170	0.8	540851	0.6
202543	114252	5.8	368540	2.5	633060	1.3	371043	0.9	542363	0.6
202544	112237	6.3	357388	2.8	613416	1.4	360695	0.9	530117	0.6
202545	120375	6.8	380652	3.4	631712	1.6	367484	1.0	537314	0.7
202546	119640	7.0	368963	3.7	629033	1.7	366709	1.1	536466	0.8
202547	120888	7.8	376037	4.3	637341	1.9	373121	1.2	547853	0.9
202548	117921	9.3	311856	5.3	558327	2.2	319693	1.5	478198	1.1
202549	119319	9.4	354509	5.3	636418	2.7	370766	1.8	547465	1.3
202550	121943	11.3	372378	7.8	633290	3.1	369521	2.0	547000	1.6
202551	138478	14.9	405945	12.1	651035	4.5	377589	2.9	556624	2.3
202552	156149	19.9	367684	15.0	609461	6.7	346317	4.7	518905	4.3
202553	143151	18.3	332139	10.4	649057	6.4	366291	4.9	555195	4.9
202601	121740	13.6	368852	7.7	695774	4.9	404492	3.8	601739	3.4
202602	117146	12.3	366547	7.3	652366	3.7	380200	2.8	559480	2.2
202603	118293	12.4	350729	8.1	607582	3.6	350949	2.5	519970	1.9
202604	112447	12.1	334509	8.1	599183	3.6	346340	2.4	502534	1.8
202605	117118	11.5	366168	8.1	627943	3.6	367662	2.3	536644	1.7
202606	123975	11.7	379713	8.5	643865	3.6	381129	2.4	562169	1.7