An scorpion in the lab
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Mexican cure for deadly scorpion stings

5 August 2011 Last updated at 15:08 BST

The US Food and Drug Administration has approved a Mexican-made antidote for scorpion stings.

In Mexico stings are a major problem with an estimated 250,000 people seeking medical treatment every year; while thousands of Americans, particularly in Arizona, are stung annually.

Ghada Nassef reports.