Every summer, outbreaks of West Nile virus disease occur in the U.S. This year, some parts of the country are experiencing earlier and greater activity, and the Centers for Disease Control and Prevention is urging people to take preventive steps to protect against West Nile virus infections. Infected mosquitoes transmit the West Nile virus to people. The main season for infections in the U.S... Source - http://www.medicalnewstoday.com/articles/248578.php
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