TORNADO WATCH : A Tornado Watch issued for Logan, Phillips, Sedgwick, Washington, Cheyenne Counties in Northeast Colorado until 8 p.m.

EHV-1

(credit: CBS)

Deadly Herpes Virus Forces Colorado To Require Permits For Horses Entering State

Animal officials nationwide are watching to see if a deadly horse virus outbreak at a Utah cutting competition spreads beyond a handful of Western states and Canada.

05/17/2011