The Wikipedia page on the pH1N1 virus is embedded below, and will be updated whenever the Wikipedia page updates. The W, Home and Random buttons refer to Wikipedia, not DebateGraph.
![](Handler.ashx?path=ROOT/u23/Neuraminidase_from_1918_influenza.gif)
Structure of the neuraminidase from the H1N1 1918 pandemic influenza virus. [Source: Tim Vickers, Wikimedia Commons]