Skip to main content

Table 1 Population, vaccine, average influenza-related outcome rates and economic inputs (in A$) by subgroup of population

From: Impact of quadrivalent influenza vaccine on public health and influenza-related costs in Australia

Population subgroup Population Vaccine coverage rate [29, 30] Vaccine effectiveness [31] Average Influenza Attack rate [2325] GP consultations Hospitalisations Mortality ratec [32, 33] Productivity loss per GP consultation
Population size [22] Proportion with RF [1921] Population at risk Against influenza A Against matched B lineage TIV B lineage cross-protection, % matched B effectiveness Rateb [32] Unit cost [34] Ratec [3] Unit cost [3537] Working days lost [3840] Income loss [41]
Children with RF
(6–59 months)
1,331,660 13.0 % 173,778a 41.3 % 59 % 66 % 67 % 18.8 % 91.0 % $37 106 $3,944 0.6 0.64 $192
Children with RF
(5–17 years)
3,673,678 13.9 % 509,239a 41.3 % 61 % 75 % 67 % 16.5 % 63.6 % $37 16 $4,811 0.1 0.64 $192
Adults with RF
(18–49 years
10,220,627 21.8 % 2,223,249a 36.2 % 61 % 77 % 68 % 3.6 % 62.6 % $37 31 $5,644 0.3 2.59 $784
Adults with RF
(50–64 years)
4,114,452 31.5 % 1,296,098a 36.2 % 61 % 73 % 67 % 3.6 % 62.6 % $37 91 $7,497 4.1 2.59 $784
Elderly (65 years
and older)
3,221,321 - 3,221,312 74.6 % 58 % 69 % 68 % 4.9 % 72.2 % $37 440 $10,141 91.3 0d $0d
  1. RF risk factor, TIV trivalent influenza vaccine, GP general practitioner, aOnly people with risk factor; bper influenza case; cper 100,000 population; dElderly were assumed to be economically inactive