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	371460	2.3	639154	1.2	375058	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	629032	1.7	366709	1.1	536466	0.8
202547	120888	7.8	376037	4.3	637340	1.9	373121	1.2	547853	0.9
202548	117921	9.3	311856	5.3	558325	2.2	319693	1.5	478198	1.1
202549	119319	9.4	354508	5.3	636417	2.7	370766	1.8	547465	1.3
202550	121942	11.3	372373	7.8	633285	3.1	369521	2.0	546994	1.6
202551	138478	14.9	405944	12.1	651029	4.5	377586	2.9	556620	2.3
202552	156149	19.9	367682	15.0	609452	6.7	346312	4.7	518896	4.3
202553	143147	18.3	332132	10.4	649038	6.4	366288	4.9	555182	4.9
202601	121734	13.6	368823	7.7	695739	4.9	404485	3.8	601731	3.4
202602	117137	12.3	366529	7.3	652322	3.7	380186	2.8	559449	2.2
202603	118284	12.4	350702	8.1	607524	3.6	350918	2.5	519920	1.9
202604	112080	12.1	333328	8.1	598004	3.6	345133	2.4	501838	1.8