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Last Updated: Wednesday April 29 2009 15:37 GMT

Virus expert explains swine flu

Ricky with virus expert Professor Wendy Barclay

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Medical experts all over the world are working hard to find a cure for swine flu or a medicine that could stop people from catching it in the first place.

Ricky went along to Imperial College London to speak to virus expert Professor Wendy Barclay about what's being done and what we can all do to protect ourselves.

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