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WHO recommended candidate viruses for vaccine development and prodcution for the northern hemisphere 2013-2014 influenza season

• Influenza A(H1N1)pdm09
  pdf, 120kb
• Influenza A(H3N2)
  pdf, 102kb
• Influenza B Yamagata Lineage
  pdf, 103kb
• Influenza B Victoria Lineage
  pdf, 113kb

All available candidate vaccine viruses and potency reagents

• Influenza A(H1N1)pdm09
• Influenza A(H3N2)
• - A/Perth/16/2009(H3N2)-like
• - A/Victoria/361/2011(H3N2)-like
• Influenza B
• Influenza A(H5N1)
• Influenza A(H7), other than avian influenza A(H7N9)
• Avian influenza A(H7N9)
• Influenza A(H9N2)
• Variant influenza A(H3N2)