Percentage of Visits for Influenza-like Illness
Reported by Sentinel Providers,
National Summary 2005-06 and Previous 3 Seasons
| Week |
%ILI 2005-06 |
%ILI 2004-05 |
% ILI 2003-04 |
%ILI 1999-2000* |
%ILI 00-01 |
%ILI 01-02 |
%ILI 2002-03 |
National baseline |
| 40 |
1.199 |
0.988 |
0.883 |
0.951575941 |
1.0140927 |
1.416455 |
1.233794923 |
2.2 |
| 41 |
1.216 |
1.029 |
1.025 |
1.524177459 |
1.2846247 |
1.779857 |
1.33739142 |
2.2 |
| 42 |
1.297 |
1.173 |
1.28 |
0.957044113 |
1.2647583 |
1.624483 |
1.324078498 |
2.2 |
| 43 |
1.344 |
1.285 |
1.323 |
1.619997186 |
1.3563022 |
1.780828 |
1.497504393 |
2.2 |
| 44 |
1.592 |
1.287 |
1.764 |
1.468374262 |
1.0452378 |
1.948803 |
1.477910195 |
2.2 |
| 45 |
1.469 |
1.433 |
2.426 |
1.531319773 |
1.1493459 |
1.641502 |
1.591081639 |
2.2 |
| 46 |
1.608 |
1.432 |
2.71 |
1.675730965 |
1.4338849 |
1.913133 |
1.497841187 |
2.2 |
| 47 |
1.838 |
1.741 |
3.72 |
2.017654072 |
1.7331144 |
1.813827 |
1.408581478 |
2.2 |
| 48 |
1.759 |
1.574 |
4.539 |
2.359158648 |
1.6198376 |
1.762074 |
1.615563148 |
2.2 |
| 49 |
1.941 |
1.674 |
5.405 |
2.714187675 |
1.7411795 |
1.535817 |
1.468452648 |
2.2 |
| 50 |
2.357 |
1.877 |
7.419 |
3.543925174 |
2.3427456 |
1.464934 |
1.605231788 |
2.2 |
| 51 |
2.961 |
2.39 |
7.507 |
5.442321675 |
2.6980596 |
1.965814 |
2.168985066 |
2.2 |
| 52 |
3.264 |
2.793 |
7.644 |
7.115643339 |
3.8817918 |
2.209379 |
2.559736445 |
2.2 |
| 1 |
2.606 |
2.393 |
2.896 |
6.810016753 |
3.4239428 |
2.14288 |
2.509240587 |
2.2 |
| 2 |
2.246 |
2.522 |
2.101 |
5.575094236 |
3.4207313 |
1.898437 |
1.728557086 |
2.2 |
| 3 |
2.355 |
2.844 |
1.885 |
3.818758159 |
4.4466626 |
2.832917 |
2.092967496 |
2.2 |
| 4 |
2.405 |
3.548 |
1.774 |
3.469401479 |
4.1927145 |
3.30265 |
2.664354377 |
2.2 |
| 5 |
2.521 |
4.608 |
1.458 |
2.422366162 |
4.357741 |
3.608957 |
2.968332361 |
2.2 |
| 6 |
2.657 |
5.058 |
1.375 |
1.90552583 |
3.730935 |
3.430446 |
3.251516066 |
2.2 |
| 7 |
3.123 |
5.435 |
1.304 |
1.374906828 |
2.8495572 |
3.77605 |
3.087901569 |
2.2 |
| 8 |
3.101 |
4.492 |
1.087 |
1.363301221 |
2.4439083 |
3.606725 |
3.225999976 |
2.2 |
| 9 |
3.163 |
3.691 |
0.988 |
1.516142887 |
1.8878895 |
3.212051 |
2.470435981 |
2.2 |
| 10 |
3.092 |
3.35 |
1.03 |
1.28846435 |
1.6844803 |
2.937916 |
2.143665734 |
2.2 |
| 11 |
2.655 |
2.798 |
1.058 |
0.999912026 |
1.6128212 |
2.870219 |
2.005589653 |
2.2 |
| 12 |
2.424 |
2.555 |
0.852 |
0.945945464 |
1.4939547 |
2.35891 |
1.988212221 |
2.2 |
| 13 |
2.367 |
2.073 |
0.752 |
0.911287042 |
1.3340806 |
2.248779 |
1.4422985 |
2.2 |
| 14 |
1.872 |
1.649 |
0.664 |
0.945307642 |
0.9227262 |
2.004423 |
1.235686592 |
2.2 |
| 15 |
1.479 |
1.597 |
0.681 |
0.680109844 |
0.7838133 |
1.37815 |
1.202668269 |
2.2 |
| 16 |
1.339 |
1.297 |
0.637 |
0.639611672 |
0.9668482 |
1.27619 |
0.922190625 |
2.2 |
| 17 |
1.163 |
1.249 |
0.575 |
0.599744542 |
0.8254126 |
1.003299 |
0.950195751 |
2.2 |
| 18 |
1.079 |
1.16 |
0.591 |
0.576307302 |
0.5903811 |
1.178814 |
0.708653279 |
2.2 |
| 19 |
1.041 |
1.221 |
0.565 |
0.49695018 |
0.6923186 |
1.039084 |
0.681412468 |
2.2 |
| 20 |
0.977 |
0.991 |
0.639 |
0.343263889 |
0.4950408 |
0.706059 |
0.730467732 |
2.2 |
| 21 |
0.868 |
|
|
|
|
|
|
2.2 |
| 22 |
0.94 |
|
|
|
|
|
|
2.2 |
| 23 |
0.915 |
|
|
|
|
|
|
2.2 |
| 24 |
0.836 |
|
|
|
|
|
|
2.2 |
| 25 |
0.693 |
|
|
|
|
|
|
2.2 |