WESA
The Allegheny Front
WESA
The Allegheny Front
Next Up: 8:00 PM On Point
0:00
0:00
The Allegheny Front
WESA
0:00 0:00
Available On Air Stations

West Nile: Emerging Epidemic

West Nile virus is spreading through the United States faster than experts had predicted. Nearly 300 people have contracted the mosquito-borne virus and at least a dozen are dead. Humans aren't the only victims; many species of animals are also at risk. NPR's John Nielsen reports NPR's John Nielsen reports.

Copyright 2002 NPR