Now that summer is finally on the horizon, so too is mosquito season. More than an annoyance, mosquitoes can spread serious illnesses, like West Nile virus and Dengue.
Mosquitoes testing positive for West Nile virus in Pennsylvania are very low in sharp contrast with the numbers recorded in 2012.
Health officials and researchers are scratching their heads, wondering whether there will be a repeat this summer of last year's spike in the West Nile virus, a potentially fatal illness that mosquitoes transmit.
When rainwater passes over hard surfaces, like roads and parking lots, it accumulates pollutants, which are then washed into nearby waterways.
Over the past 50 years, many regions across the globe have experienced a (re)emergence of mosquito-vectored diseases, both due to novel pathogens and those previously eradicated.
West Nile virus emerged in the western hemisphere during the summer of 1999, reawakening public awareness to the potential severity of vector –borne pathogens.
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