New foot and mouth vaccine could be available soon

Hijacked planes, dirty bombs and cyber attacks are all terror threats the US takes very seriously.

But there is another that many Americans may not have considered – foot-and-mouth disease.

The illness is one of the world’s most contagious animal viruses. Although it does not infect humans, an outbreak in the US could cost the economy more than $50bn (£31bn), experts estimate.

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