Tyson spokesman Gary Mickelson says the company is also "stepping up its surveillance of avian influenza in the area" as a precaution.
Bird flu virus found in chickens in Arkansas
LITTLE ROCK, Ark. (AP) -June 4, 2008
State officials say a routine blood test showed that the birds
have been exposed to a subtype of the virus that is not harmful to
humans. However, the CDC said a 2004 outbreak of the same subtype at a poultry plant in British Columbia, Canada, did sicken two workers there.
