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
2024401138606.13888453.16437051.43749230.95192570.6
2024411143176.43801693.46278741.43690960.95176380.6
2024421155256.53875413.56369841.53713301.05215890.7
2024431220207.04131113.86547841.63823250.95315590.7
2024441221597.54085633.86498701.73752101.05239420.7
2024451290798.14125944.06607221.83789871.15205140.8
2024461274828.73950144.46397682.03681391.25057750.8
ht">41792.4102161.479160.645410.335330.320164855812.3138731.6106181.058730.744280.420164951452.1130321.298640.958100.741620.520165050822.3112041.698470.858010.839940.420165150682.994132.293401.156880.841300.420165240714.077122.386471.451051.138931.220170145863.890332.595391.153451.142580.820170252213.8121332.6104770.958561.044380.820170351154.2127853.0103711.456901.243311.020170452054.8148583.4105481.255751.442391.220170553434.4150904.2103801.758751.342941.220170652175.1149124.6106252.059392.045861.420170749324.7142554.399181.756461.741981.420170848825.1120444.478341.647732.137521.520170946094.2117622.672281.643301.734410.920171048364.9125533.275611.846231.535251.220171150494.2123343.1102271.356161.642771.220171253713.7133562.8100451.154171.143700.920171349653.3128982.5102391.056131.141950.620171447213.5129792.5107221.160351.145430.720171545632.9127081.896530.750940.841440.620171650952.7133971.8100740.853550.944220.620171752692.9135061.699670.753940.842730.520171850722.1135601.4101410.656400.643490.220171948442.4121221.597520.550730.441080.320172039142.8102641.685850.747890.837310.520172129611.883291.274000.741380.629780.320172223712.469381.360950.333040.325910.320172310752.953661.169150.736490.427630.420172410543.651131.468820.838451.027400.520172522662.463891.265090.935240.926330.320172621391.260810.959940.231460.124300.320172717552.253471.257920.430360.623310.420172820281.661470.757940.330640.222530.020172922752.063170.756780.229640.222770.220173021912.065821.057350.228960.223020.120173121591.369750.654370.327710.220440.420173223511.379700.556490.328950.222320.120173319831.574520.853720.225700.319910.320173423041.488880.759420.330720.323100.020173526721.299460.779750.240120.232640.120173616741.060860.769280.337280.229870.320173728131.593340.874500.338240.232820.320173813782.391370.776670.337430.632640.220173927612.198651.064070.333720.527250.5201740141523.2414441.3444860.8236310.5254670.3201741152793.7396781.4458600.8243410.5247940.4201742153643.5401651.5450590.8236900.6246060.5201743153793.7387041.6404750.8214680.6221050.5201744164933.6409061.7432121.1227060.6239470.4201745156194.5391781.9437571.1231250.7236120.5201746172984.5412592.0430981.3233890.8243520.5201747158585.2316762.1397751.3218520.9241100.6201748227257.1497412.8625322.2330481.5341751.0201749209487.2470683.3551982.1296721.5307681.2201750222308.8478294.7572352.9319012.0329121.32017512390010.9468307.1597714.4324313.4341542.12017522187813.2366358.0570796.1319954.5339963.22018011852911.7410796.2614315.8341204.7371283.32018021993110.9465757.5631426.2350325.1352413.62018032056913.1459319.0598436.3327605.1322123.42018042204112.1555198.9646866.1346865.4344993.62018052200112.85774410.6608926.5319265.3311963.72018062278212.65842210.4628996.2336364.7321413.72018072168711.0539358.3630215.2343724.1339213.1201808195019.5496846.5601434.0334163.3330012.5201809188017.9495144.5601472.7330132.4338141.6201810183246.9475293.9574532.3316221.8324791.2201811185836.1463633.5594562.0331081.5336591.1201812183595.8464153.1596261.8326581.5337971.1201813180165.8445062.7600541.6331491.2344440.9201814184495.3482172.3664591.5365761.0383620.9201815181534.8484112.1622031.4348750.9359900.7201816174554.6472312.0615131.2339980.8348750.6201817177664.4479731.8619421.1339040.8352900.6201818170044.4475121.7589490.9319800.7329480.4201819168874.4473981.6620110.8336890.5345220.6201820161554.0422851.5587640.8317890.5321920.4201821161464.3413841.5596240.7329260.5334700.4201822160234.3391291.3585320.6322610.4334240.3201823152933.6392661.0580850.6321840.5327820.3201824133433.3352131.1572750.6321730.4330290.3201825140123.1367211.0560810.5311960.4320320.3201826139933.2363610.9564410.5311510.3327320.3201827143133.2362881.2581760.5317920.3330960.2201828157672.7404141.0616890.5343800.3347920.2201829147272.6385150.9583250.5310210.3310090.2201830144492.7407580.9614680.5340770.3341900.2201831147162.6414850.9602900.5328300.3339600.2201832140652.9415020.9618490.5339210.3345650.2201833148273.2436191.1620630.6338300.3336280.3201834154913.9466661.4629930.6333620.4342080.3201835169524.0484351.5640790.7340490.4345360.3201836176484.5475021.8638580.8346510.5345860.4201837178033.8498761.7641670.8344810.5354780.4201838177604.4512911.7652950.8352760.6354000.3201839179744.5506461.9624301.0335710.6341350.3201840347834.01019551.71443160.9794500.5886310.3201841376714.81041632.01532081.0862730.7972390.4201842364555.01033492.01456141.2818510.7921310.5201843377515.31043082.21436811.2802770.8918140.5201844394236.61096752.51533971.3860200.8974340.6201845467437.01264442.71794671.4986850.91078520.6201846458667.51143232.91652781.5917981.01018420.6201847456688.61032943.11599541.7903281.11015170.7201848521797.91303212.71938031.81073601.21208530.8201849476608.51232042.91805141.71012691.11131460.7201850509799.01189623.61767321.9990531.31099060.8201851537219.71192314.11811102.21008951.61137791.02018525543911.81003695.31754833.0999262.21129711.52019015289610.81104063.91968343.01086242.41210771.7201902482149.11208073.81921542.8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