Swine Flu vs. Bird Flu: Which Is the Greater Pandemic Threat?

As health officials around the globe continue to monitor the swine flu outbreaks that have occurred within the past month, comparisons with the periodic bird flu outbreaks over the past decade are difficult to avoid. Specifically, some may find themselves asking the question: Since the bird flu failed to spark a full-blown pandemic, should we really worry about swine flu? Infectious disease experts say there are numerous key differences between the two viruses and their pandemic potential, and...Full Story
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