It has pandemic potential.

Officials announced that another flu outbreak may possibly be on the horizon: A version of swine flu has emerged in animals in Asia and has pandemic potential, investigators say. While this newest version has not yet infected humans, swine influenza is nothing new to health officials. H1N1 led to a pandemic in 2009, infecting more than 1 million people inside the U.S. These will be the common signs of swine flu.

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