Virus influenza A subjenis H1N1: Perbezaan antara semakan

On June 11, 2009, the [[WHO]] declared an H1N1 pandemic, moving the alert level to phase 6, marking the first global pandemic since the 1968 [[Hong Kong flu]].<ref>{{cite web|url=http://www.blippitt.com/h1n1-pandemic-official|title=H1N1 Pandemic - It's Official|publisher=N/A|author=Blippitt|date=2009-06-11}}</ref>

 

* [[2009 A/H1N1]]