Table 4.
Spatial relation between human cases of Eastern equine encephalitis and mosquito species testing positive for the Eastern equine encephalitis virus, in the four counties of Madison, Oneida, Onondaga and Oswego, in Central New York State, 1971–2012a,b
| Least distance between case and site of collections of mosquito species with virus (kilometres) | |||||||
|---|---|---|---|---|---|---|---|
| Year | Year (cardinal) | Case (ordinal) | Cs. melanura | Cq. perturbans | Cs. morsitans | Ae. canadensis | Ae. vexans |
| 1971 | 1 | 1 | 0.6 | c | 0.6 | d | c |
| 1983 | 12 | 2 | 5.2 | c | 5.2 | 5.2 | c |
| 2009 | 38 | 3 | 5.5 | 5.5 | c | 18.8 | c |
| 2010 | 39 | 4 | 6.9 | 2.7 | c | 21.0 | c |
| 2010 | 39 | 5 | 2.7 | 6.9 | c | 17.5 | c |
| 2011 | 40 | 6 | 10.7 | 13.2 | 23.3 | 41.7 | 41.7 |
Among all mosquito poolings having the EEE virus, 80% were collected within approximately 2 km of a wooded wetland.
This mosquito species was found in collections and tested and the virus was not detected.
This mosquito species was not found in collections.