Around the Nation
1:10 pm
Thu August 23, 2012

Preventing The Spread Of West Nile Virus

The Centers for Disease Control and Prevention says 2012's outbreak of West Nile virus is on track to be the worst in U.S. history. The mayor of Dallas recently authorized an aerial spraying program to kill the mosquitoes that carry the virus, which provoked protest from area residents.

Related program: