1. ‘We should be prepared!’: Doctor calls for U.S. to take measures against possible bird flu mutation

    ‘We should be prepared!’: Doctor calls for U.S. to take measures against possible bird flu mutation

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  2. ‘We should be prepared!’: Doctor calls for U.S. to take measures against possible bird flu mutation

    ‘We should be prepared!’: Doctor calls for U.S. to take measures against possible bird flu mutation

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  3. ‘We should be prepared!’: Doctor calls for U.S. to take measures against possible bird flu mutation

    ‘We should be prepared!’: Doctor calls for U.S. to take measures against possible bird flu mutation

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  4. ‘We should be prepared!’: Doctor calls for U.S. to take measures against possible bird flu mutation

    ‘We should be prepared!’: Doctor calls for U.S. to take measures against possible bird flu mutation

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  5. ‘We should be prepared!’: Doctor calls for U.S. to take measures against possible bird flu mutation

    ‘We should be prepared!’: Doctor calls for U.S. to take measures against possible bird flu mutation

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  6. ‘We should be prepared!’: Doctor calls for U.S. to take measures against possible bird flu mutation

    ‘We should be prepared!’: Doctor calls for U.S. to take measures against possible bird flu mutation

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  7. ‘We should be prepared!’: Doctor calls for U.S. to take measures against possible bird flu mutation

    ‘We should be prepared!’: Doctor calls for U.S. to take measures against possible bird flu mutation

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  8. ‘We should be prepared!’: Doctor calls for U.S. to take measures against possible bird flu mutation

    ‘We should be prepared!’: Doctor calls for U.S. to take measures against possible bird flu mutation

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  9. ‘We should be prepared!’: Doctor calls for U.S. to take measures against possible bird flu mutation

    ‘We should be prepared!’: Doctor calls for U.S. to take measures against possible bird flu mutation

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  10. ‘We should be prepared!’: Doctor calls for U.S. to take measures against possible bird flu mutation

    ‘We should be prepared!’: Doctor calls for U.S. to take measures against possible bird flu mutation

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  11. ‘We should be prepared!’: Doctor calls for U.S. to take measures against possible bird flu mutation

    ‘We should be prepared!’: Doctor calls for U.S. to take measures against possible bird flu mutation

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  12. ‘We should be prepared!’: Doctor calls for U.S. to take measures against possible bird flu mutation

    ‘We should be prepared!’: Doctor calls for U.S. to take measures against possible bird flu mutation