About the Strains Used for Influenza HA Vaccine for Heisei 21 Fiscal Year
 

Heisei 21 Fiscal Year Strains

  

Heisei 20 Fiscal Year Strains
Influenza A Strain
  • ※ Soviet A-Type
    A/Brisbane/59/2007 (H1N1)

  • ※ Hong Kong A -Type
    A/Uruguay/716/2007(H3N2).
Influenza B Strain
  • B/Brisbane/60/2008
←
Only the B strain from last year has been modified for this year.
 Influenza A Strain
  • A/Brisbane/59/2007 (H1N1)


  • A/Uruguay/716/2007(H3N2)

Influenza B Strain
  • B/Florida/4/2006