David Lawson, director of the Norfolk County Mosquito Control District, said it is impossible for him to predict whether this season will see a proportionate number of West Nile and EEE cases.
"Mosquito populations are very dependent on rainfall," Lawson said. "We felt that this was a fairly dry spring up until recently. I don’t know whether it will be a dry summer or wet summer. All we know is that we are going to stay diligent, do our surveillance, and test for the viruses."
It’s unknown why the summer of 2012 brought a great spike in cases of the viruses, he said. While an almost nonexistent winter may have killed fewer larvae, the dry spring would have led to a higher mortality rate.
Read more: http://www.milforddailynews.com/news/x1039451968/Mosquito-control-difficult-to-predict-impact-this-summer#ixzz2V8xJqYKQ
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