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Review
Table I.
Summary of WNV human cases reported annually to CDC, 2002–2009.
| 1999 | 2000 | 2001 | 2002 | 2003* | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Human cases | 62 | 21 | 66 | 4 156 | 9 862 | 2 539 | 3 000 | 4 269 | 3 630 | 1 338 | 720 |
| Deaths | 7 | 2 | 10 | 284 | 264 | 100 | 119 | 177 | 124 | 44 | 32 |
* National surveillance practices changed to include reporting of West Nile fever cases.