What will the 2018 Southern Hemisphere Flu Vaccine include?

Canberra. October 11, 2017

The Australian Influenza Vaccine Committee (AIVC) congregated at the Therapeutic Goods Administration (TGA) for the purpose of recommending influenza viruses to be used in the composition of the 2018 flu vaccine. The meeting involved review and evaluation of:

  • data associated to epidemiology
  • Australia and Southern Hemisphere influenza isolates recently circulating, as to its antigenic and genetic characteristics
  • 2016-17 vaccines’ serological responses
  • candidate vaccine viruses and reagents availability
  • The expert committee recommended that 2017 September 28th’s World Health Organisation (WHO) recommendation be adopted by the TGA for the 2018 Southern Hemisphere influenza vaccines.

What will the 2018 Flu Vaccine include?

  • Trivalent influenza vaccine components should contain three strains, namely-
    • A (H1N1) – an A/Michigan/45/2015 pdm09-like virus
    • A (H3N2) – an A/Singapore/INFIMH-16-0019/2016 -like virus
    • B – a B/Phuket/3073/2013-like virus
  • Quadrivalent influenza vaccines should contain the trivalent influenza vaccine, with a second B strain added making a total of four components
    • A (H1N1) – an A/Michigan/45/2015 pdm09-like virus
    • A (H3N2) – an A/Singapore/INFIMH-16-0019/2016 -like virus
    • B – a B/Phuket/3073/2013-like virus
    • B – a B/Brisbane/60/2008-like virus

A side by side comparison to 2017 trivalent and quadrivalent vaccine compositions shows the difference in the introduction of a new A (H3N2) like virus constituent. For the Trivalent, the B/Brisbane strain swapped with the B/Phuket strain included in the Quadrivalent vaccine. The 2018 AIVC recommendations were accepted by the TGA.

In line with the latest research and recommendations, Corporate Care will only be administering Quadrivalent vaccines in its 2018 Flu Vaccination programs towards optimal year-round protection.

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