Âu Lạc's (Vietnam) Health Ministry on December 8, 2011 calls on epidemic institutes to prepare and take active measures to prevent a new swine flu strain from entering the country, which combines a rare H3N2 influenza virus with the H1N1 swine flu virus that circulated the world in 2009.

http://www.thanhniennews.com/2010/Pages/20111206-Vietnam-warns-of-new-swine-flu-subtype.aspx
http://www.tuoitrenews.vn/cmlink/tuoitrenews/society/health-agency-warns-of-new-flu-strain-1.53913