U.S. Outpatient Influenza-like Illness Surveillance Network (ILINet):
Percentage of Visits for ILI by Age Group Reported by A Subset of ILINet Providers
2021-2022 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 |
202140 | 108323 | 8.5 | 303420 | 3.0 | 448432 | 1.2 | 247253 | 0.9 | 287024 | 0.6 |
202141 | 107553 | 8.5 | 294668 | 2.8 | 444455 | 1.1 | 244888 | 0.8 | 288600 | 0.6 |
202142 | 104558 | 8.4 | 283900 | 2.7 | 420342 | 1.1 | 233846 | 0.9 | 278706 | 0.6 |
202143 | 106937 | 8.3 | 283838 | 2.8 | 428050 | 1.1 | 238258 | 0.8 | 287379 | 0.6 |
202144 | 104930 | 8.7 | 285387 | 3.2 | 414408 | 1.2 | 230859 | 0.9 | 278556 | 0.6 |
202145 | 111667 | 9.0 | 292405 | 3.4 | 429982 | 1.3 | 240221 | 1.0 | 287818 | 0.7 |
202146 | 111903 | 9.1 | 293049 | 3.5 | 437039 | 1.4 | 244035 | 1.0 | 292044 | 0.7 |
202147 | 109051 | 9.5 | 243153 | 3.7 | 401587 | 1.5 | 227630 | 1.2 | 282559 | 0.8 |
202148 | 112097 | 9.3 | 293531 | 3.8 | 454197 | 1.8 | 253321 | 1.4 | 306444 | 0.9 |
202149 | 108173 | 9.5 | 293602 | 4.3 | 447130 | 1.8 | 251350 | 1.3 | 297073 | 0.9 |
202150 | 112763 | 10.0 | 298095 | 5.1 | 456460 | 2.1 | 252100 | 1.4 | 298153 | 0.9 |
202151 | 114567 | 11.0 | 276602 | 6.2 | 461322 | 3.4 | 245174 | 2.2 | 286155 | 1.3 |
202152 | 132274 | 12.4 | 315350 | 6.5 | 569134 | 4.8 | 286026 | 3.3 | 315550 | 2.0 |
202201 | 111945 | 10.5 | 309155 | 5.5 | 540558 | 4.1 | 274983 | 3.0 | 305795 | 1.8 |
202202 | 95421 | 8.8 | 281382 | 4.8 | 479534 | 3.1 | 253533 | 2.3 | 291666 | 1.5 |
202203 | 84739 | 7.9 | 241318 | 3.7 | 433234 | 2.4 | 235951 | 1.8 | 280203 | 1.1 |
202204 | 77179 | 6.6 | 230928 | 2.6 | 404132 | 1.7 | 226987 | 1.3 | 274130 | 0.8 |
202205 | 74817 | 5.8 | 221456 | 2.3 | 381407 | 1.1 | 217449 | 0.9 | 268303 | 0.7 |
202206 | 77988 | 5.6 | 238191 | 2.0 | 394037 | 0.8 | 227780 | 0.7 | 283247 | 0.5 |
202207 | 84832 | 5.6 | 240806 | 2.2 | 387508 | 0.8 | 224162 | 0.6 | 276949 | 0.4 |
202208 | 86248 | 5.8 | 237949 | 2.3 | 386162 | 0.8 | 219983 | 0.5 | 273392 | 0.4 |
202209 | 89962 | 5.6 | 254806 | 2.4 | 396228 | 0.8 | 226876 | 0.5 | 283198 | 0.4 |
202210 | 93495 | 6.1 | 258973 | 2.7 | 399504 | 0.8 | 224858 | 0.5 | 275515 | 0.4 |
202211 | 97808 | 6.4 | 265256 | 3.0 | 411269 | 0.9 | 232675 | 0.6 | 290572 | 0.5 |
202212 | 96514 | 6.7 | 267538 | 3.0 | 414591 | 1.0 | 233019 | 0.7 | 286204 | 0.5 |
202213 | 98691 | 6.8 | 272294 | 3.2 | 417335 | 1.1 | 230458 | 0.7 | 285763 | 0.6 |
202214 | 100513 | 7.4 | 277142 | 3.6 | 424014 | 1.2 | 236110 | 0.7 | 290513 | 0.6 |
202215 | 103822 | 7.8 | 277295 | 4.0 | 425293 | 1.3 | 237767 | 0.8 | 295594 | 0.7 |
202216 | 102621 | 8.2 | 276792 | 3.9 | 426154 | 1.4 | 236747 | 0.9 | 294438 | 0.8 |
202217 | 109841 | 8.4 | 304732 | 3.9 | 450339 | 1.4 | 249119 | 0.9 | 308183 | 0.8 |
202218 | 104250 | 8.9 | 293868 | 4.5 | 441941 | 1.5 | 244126 | 1.1 | 302974 | 0.8 |
202219 | 116336 | 9.3 | 312589 | 4.8 | 458256 | 1.6 | 256057 | 1.1 | 315341 | 0.9 |
202220 | 116022 | 9.4 | 310546 | 5.0 | 464685 | 1.6 | 257817 | 1.1 | 318231 | 0.9 |
202221 | 114659 | 9.6 | 303756 | 5.2 | 467062 | 1.7 | 258570 | 1.2 | 316077 | 0.9 |