In swine flu, key moments and decisions lie ahead

(AP) -- The most pivotal moments in the swine flu saga are yet to come. Will it sweep through impoverished Southern Hemisphere countries in the next few months? Will it roar back in the rest of the world in the fall? And who will be vaccinated if it does?

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<p><a href="http://www.physorg.com/news161142339.html">In swine flu, key moments and decisions lie ahead</a></p> <p>(AP) -- The most pivotal moments in the swine flu saga are yet to come. Will it sweep through impoverished Southern Hemisphere countries in the next few months? Will it roar back in the rest of the world in the fall? And who will be vaccinated if it does?</p>