Ken Owen, 10 Sep 2012 Perspective. 2009's pandemic, influenza A virus subtype H1N1 (swine flu), is estimated to have caused... Perspective.2009's…
Sara Del Valle, 26 Jun 2012 H1N1 swine flu may have killed 15 times more than first said.. H1N1 swine flu may have killed 15 times more than first said.. …