Save Share Australiaâs large expanses and the overseas supply shortages would provide the biggest challenges to the countryâs vaccine rollout, logistics experts say. Those administering the vaccine would also have to be cautious of wastage and should consider having measures in place to allow people to take the place of no-shows. Logistics experts say itâs not just a matter of getting a tonne of doses into Australia, but its also about ensuring none of them go to waste. Â AP The federal government has already tapped DHL and Linfox on the shoulder to help deploy the jabs across the country.