Table 4.
Mosquito specimens pooled and tested for Eastern equine encephalitis virus in New York State, 1993 to 2012
| Year | All mosquito speciesa | Cs. melanura | ||||
|---|---|---|---|---|---|---|
| No. of specimens | No. of pools | No. of EEEV-positive pools (%) | No. of specimens | No. of pools | No. of EEEV-positive pools (%) | |
| 1993b | 119,280 | 1482b | 6 (0.34) | 67,165 | 1013b | 6 (0.5) |
| 1994 | 275,262 | 4101 | 68 (1.66) | 43,584 | 735 | 62 (8.4) |
| 1995 | 127,866 | 2301 | 0 | 12,245 | 449 | 0 |
| 1996 | 266,685 | 4659 | 29 (0.62) | 22,766 | 668 | 25 (0.04) |
| 1997 | 140,189 | 2358 | 5 (0.21) | 19,834 | 512 | 5 (0.01) |
| 1998 | 111,140 | 1954 | 0 | 19,322 | 385 | 0 |
| 1999 | 102,755 | 1911 | 0 | 9056 | 319 | 0 |
| 2000c | 252,003 | 7871c | 0 | 14,529 | 395c | 0 |
| 2001 | 191,981 | 6360 | 0 | 11,349 | 361 | 0 |
| 2002 | 194,906 | 6738 | 0 | 6524 | 222 | 0 |
| 2003 | 249,554 | 7714 | 10 (0.13) | 9190 | 286 | 9 (3.15) |
| 2004 | 209,362 | 6773 | 17 (0.26) | 10,255 | 302 | 13 (4.63) |
| 2005 | 196,371 | 7178 | 5 (0.07) | 4976 | 199 | 4 (2.01) |
| 2006 | 216,924 | 6895 | 68 (0.99) | 16,111 | 482 | 66 (13.69) |
| 2007 | 160,886 | 5155 | 20 (0.39) | 9654 | 330 | 19 (5.76) |
| 2008 | 194,988 | 6509 | 21 (0.32) | 9785 | 347 | 19 (5.48) |
| 2009d | 250,396 | 7191d | 59 (0.82) | 15,189 | 440d | 52 (11.82) |
| 2010 | 249,120 | 7409 | 66 (0.89) | 12,849 | 417 | 61 (14.63) |
| 2011 | 241,447 | 6767 | 52 (0.77) | 11,725 | 446 | 46 (10.31) |
| 2012 | 208,955 | 5830 | 1 (0.02) | 7763 | 298 | 1 (0.34) |
| Total | 3,960,070 | 107,156 | 427 | 333,871 | 8606 | 388 |
aMosquito species submitted for arboviral testing include Cs. melanura
bPool sizes were 10–100 mosquito specimens from 1993 to 1999
cPool sizes were 10–50 mosquito specimens from 2000 to 2008
dPool sizes were 10–60 mosquito specimens from 2009 to 2012