2009H1N1 is no longer a valid name, this type of new breed influenza is renamed again which previously was renamed from swine flu/pig flu to 2009H1n1. Now They officially named it Ah1n1. But there is also alternative real name which is A(h1n1) and A/h1n1.

This pig flu is getting serious, now korea is infected. Someone in korea is dead and was caused by this Ah1n1 influenza. Type A. Besides, many other country have thousands of suspected swine flu infection cases. this flu spread out so quick because of our technology advancement, People get connected everywhere. Plane, train, buses, cruise are all potential grouping medium which caused the spread. 

America of United States also declared to closed down all the school for 2 weeks to stop the pig flu Ah1n1 pandemic disaster.