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	530116	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	376036	4.3	637340	1.9	373121	1.2	547853	0.9
202548	117921	9.3	311855	5.3	558325	2.2	319692	1.5	478198	1.1
202549	119319	9.4	354507	5.3	636416	2.7	370766	1.8	547464	1.3
202550	121831	11.3	371743	7.8	632511	3.1	369127	2.0	546534	1.6
202551	138365	14.9	405649	12.1	650276	4.5	377168	2.9	556118	2.3
202552	156082	19.9	367499	15.0	609121	6.7	346103	4.7	518690	4.3
202553	143064	18.3	331893	10.4	648503	6.4	366009	4.9	554845	4.9
202601	121612	13.6	368413	7.7	694979	4.9	404021	3.8	601212	3.4
202602	116937	12.3	365656	7.4	651295	3.7	379558	2.8	558614	2.2