What is the reason for Mosquito season being on track this year?
Following the pattern of earlier summers, mosquitoes carrying potentially lethal diseases appear to be proliferating as September dawns, state disease trackers reported yesterday. In recent days, bugs with West Nile virus have been discovered in Bourne, Quincy, and Worcester. And mosquitoes carrying Eastern equine encephalitis have recently been detected in Lakeville, Merrimac, and New Bedford. No human cases of either disease have been reported this year in Massachusetts. Ten people have been diagnosed with West Nile in the state during the previous five years. There was a single case of Eastern equine encephalitis last year, and 13 people were diagnosed from 2004 through 2006, resulting in six deaths. Authorities from the state Department of Public Health said they are especially concerned about the discovery of Eastern equine in Merrimac, because it shows that the virus is now circulating in the northeastern reaches of the state. Earlier in the summer, the virus had been found in Ea
