NPR logo

Investigators Search for 'Mad Cow' Source

  • Download
  • <iframe src="https://www.npr.org/player/embed/1584587/1584588" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
Investigators Search for 'Mad Cow' Source

Investigators Search for 'Mad Cow' Source

Investigators Search for 'Mad Cow' Source

  • Download
  • <iframe src="https://www.npr.org/player/embed/1584587/1584588" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Federal officials are in the state of Washington trying to figure out how a cow there contracted mad cow disease. The government says the American beef supply is safe, but more than a dozen countries already have outright bans or temporary bans against beef imports from the United States. NPR's Ari Shapiro reports.