U.S. Outpatient Influenza-like Illness Surveillance Network (ILINet):
Percentage of Visits for ILI by Age Group Reported by A Subset of ILINet Providers
2024-2025 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
2024401138876.13888473.16437051.43749200.95192490.6
2024411143376.43801823.36278801.43698450.95176350.6
2024421155946.53875473.56369901.53713311.05215870.7
2024431223287.04140463.86562541.63829790.95323390.7
2024441224437.54095433.86515461.73760341.05248650.7
2024451295018.14144304.06632161.83802291.15220680.8
2024461282898.73980914.46432702.03701861.25077930.8
2024471318669.24022804.76414992.13705081.35105600.9
20244813299610.33361755.15681492.33236791.54601961.0
20244913445710.13808754.96381262.63685401.85196151.3
20245013887111.03961456.06449452.93737552.05226381.4
20245115207613.34039388.16553703.83783452.55285391.8
20245216436916.535280610.16114605.53465624.04899162.9
20250115378415.73431678.06607875.53768804.35346523.3
20250212379713.43433497.36458154.83732343.85211352.6
20250312817614.43791839.06602464.83864553.65362842.4
20250413215216.237155611.06349275.83647884.35003472.7
20250514092716.942447111.96814586.53990574.95520913.2
20250614210318.042856512.56813806.54018825.15492043.6
20250713123716.838822111.66515166.23840175.05279813.7
20250812230515.03579989.46320955.53680314.35079943.3
20250911952712.73774507.46548194.43915323.55516852.7
20251011700011.73706896.96412413.83807312.95359242.2
20251111900110.63767866.36431003.33805662.55403501.8
2025121176179.33669085.36434862.83778762.05327801.5
2025131154078.53648394.76323192.53693941.75236591.3
2025141114447.63571144.16239142.13613811.55114981.1
2025151102827.53543743.86226421.93621731.35141200.9
2025161122697.13541763.56186731.83653921.25251260.9
2025171125876.93570583.36250011.83681321.25290130.9
2025181114376.53654963.06267631.63669341.05297230.8
2025191084756.33612982.96290261.53689571.05297020.7
2025201096816.33596712.96318921.43686231.05319140.7
2025211102416.13493992.86315911.33704750.95337630.7
2025221100186.13300562.66115951.43539300.95092140.7
2025231036125.43269632.26253161.33698830.95359000.6
2025241011054.93157521.86208701.13684400.85284050.6
202525978814.43059491.76151111.03649070.85257280.6
202526971274.23086731.56271300.93673240.75270870.5
202527943153.62992851.45932150.93463000.65022930.5
202528942643.63140411.46322980.93711100.65300020.5
202529916313.23082681.36170910.83625380.65196070.5
202530945673.33178971.36411830.93732770.65332080.4
202531931843.43164801.36267670.93644490.65198440.4
202532929893.53196391.46194800.93626560.65153800.5
202533909013.63207631.66097151.03548460.75078390.5