Flu could flourish in southern hemisphere winter

(AP) -- Southern hemisphere countries that have largely escaped swine flu infections could soon become more vulnerable, experts warn, as the approaching winter brings with it an elevated risk of the virus spreading and mutating.

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<p><a href="http://www.physorg.com/news160676818.html">Flu could flourish in southern hemisphere winter</a></p> <p>(AP) -- Southern hemisphere countries that have largely escaped swine flu infections could soon become more vulnerable, experts warn, as the approaching winter brings with it an elevated risk of the virus spreading and mutating.</p>