https://www.google.com.au/search?source=hp&ei=lKMhXsvXJaTYz7sP1aSHmAc&q=why+is+vaccination+free+in+australia&oq=why+is+vaccination+free&gs_l=psy-ab.1.1.33i22i29i30l10.609.4630..8047...0.0..0.334.5041.0j9j13j1......0....1..gws-wiz.......0i131j0j0i22i30.N_Bgx9N-StA
The first link from above search is https://www.health.gov.au/initiatives-and-programs/national-immunisation-program
And of course MemeFx's post 42445644 illustrates the costing aspect.
