Here's one positive aspect of oncoming cold weather, the freezing temps kill the mosquitoes that carry the West Nile virus. As of Tuesday, 3,242 human cases of West Nile virus and 176 deaths had been reported in the United States this year, according to the Centers for Disease Control and Prevention.

For more information on West Nile virus, the public may call the CDC hotline at 1-888-246-2675.