New infectious diseases -- what's the risk?

With the current outbreak of swine flu, and in the absence of a vaccine or treatment at present, the only way to contain the virus is to get people around the world to take precautionary measures.

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<p><a href="http://www.physorg.com/news161950376.html">New infectious diseases -- what's the risk?</a></p> <p>With the current outbreak of swine flu, and in the absence of a vaccine or treatment at present, the only way to contain the virus is to get people around the world to take precautionary measures. </p>