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Who are the at-risk groups for influenza?

Page last updated 09 April 2020

The at risk groups for influenza in the adult age bracket (> 18 years) include:

  • All people over 65 years of age
  • Aboriginal and Torres Strait Islander people (aged 6 months and over).
  • Pregnant women
  • Those with certain medical condition
    • Down syndrome
    • Body mass index more than 40
    • Chronic liver disease
  • Residents and staff in aged care facilities
  • People who are homeless
  • Cares and household contacts of at-risk people
  • Poultry or pork industry workers
  • Essential services providers
  • Travellers.

Note that not all of these groups are eligible to receive a free influenza vaccine under the National Immunisation Program (NIP) (see FAQ: “Who is considered “medically at-risk” and eligible for a free influenza vaccine?”). Speak with your healthcare professional for more information.

Sources & Citations

  1. National Centre for Immunisation Research and Surveillance. Influenza factsheet. Available at (accessed 12 June 2018).

SPANZ.SAPAS.18.05.0211a - Date of preparation May 2018