Table 1. Number of humans, horses, birds and mosquito pools tested and found to be infected with West Nile virus in Austria, France, Greece, Italy, and the United Kingdom, 2010–2015.
| Number of humansa, horses, birds and mosquito pools found to be infected with West Nile virus (number of humans, horses, birds and mosquito pools tested) | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number infected | Number tested | Number infected | Number tested | Number infected | Number tested | Number infected | Number tested | Number infected | Number tested | Number infected | Number tested | |
| Austria | ||||||||||||
| Human cases | 1 | NA | 0 | NA | 0 | NA | 0 | NA | 2 | NA | 8 | NA |
| Equine cases | 0 | NA | 0 | NA | 0 | NA | 0 | NA | 0 | NA | 0 | NA |
| Positive birds | 0 | NA | 0 | NA | 0 | NA | 1 | NA | 1 | NA | 2 | NA |
| Positive mosquito pools | 0 | NA | 1 | NA | 1 | NA | 0 | NA | 2 | NA | 3 | NA |
| France | ||||||||||||
| Human cases | 0 | NA | 0 | NA | 0 | NA | 0 | NA | 0 | NA | 1 | NA |
| Equine cases | 0 | 94 | 0 | 85 | 0 | 67 | 0 | 54 | 0 | 39 | 49 | 155 |
| Positive birds | 0 | 4 | 0 | 0 | 0 | 5 | 0 | 9 | 0 | 0 | 0 | 15 |
| Positive mosquito pools | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | 1 | 40 |
| Greece | ||||||||||||
| Human cases | 262 | NA | 100 | NA | 161 | NA | 86 | NA | 15 | NA | 0 | NA |
| Equine cases | 30 | 167 | 24 | 1,539 | 15 | 1,640 | 15 | 1,626 | 4 | 962 | 0 | NA |
| Positive birds | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| Positive mosquito pools | 2 | 110 | 71 | 897 | 212 | 2,112 | 45 | 405 | 6 | 603 | 11 | 157 |
| Italy | ||||||||||||
| Human cases | 3 | NA | 14 | NA | 28 | NA | 44 | NA | 21 | NA | 38 | NA |
| Equine cases | 128 | 993 | 197 | 2,840 | 63 | 1,343 | 50 | 3,366 | 27 | 7,675 | 30 | 5,507 |
| Positive birds | 16 | 3,614 | 16 | 4,719 | 26 | 5,363 | 79 | 5,649 | 55 | 5,018 | 73 | 1,880 |
| Positive mosquito pools | 13 | 1,236 | 8 | 3,059 | 14 | 2,907 | 146 | 1,984 | 125 | 7,047 | 102 | 4,614 |
| United Kingdom | ||||||||||||
| Human cases | 0 | NA | 0 | NA | 0 | NA | 0 | NA | 0 | NA | 0 | NA |
| Equine cases | 0 | 5 | 0 | 10 | 0 | 10 | 0 | 12 | 0 | 5 | 0 | 3 |
| Positive birds | 0 | 204 | 0 | 280 | 0 | 374 | 0 | 316 | 0 | 433 | 0 | 336 |
| Positive mosquito pools | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | 0 | NA |
NA: not available.
a Includes probable and confirmed autochthonous West Nile neuroinvasive disease (WNND) and non-WNND cases.