As the horror year of 2020 drew to a close, Australians were told there was a way out of the pandemic. The federal government outlined a mass vaccination program that would see vast numbers of Australians inoculated against the virus by October 2021. Months on, beset by supply problems and hitches in the rollout, the government has abandoned its targets and faces accusations of having botched it. On Monday Four Corners investigates how Australia’s vaccine program rollout has fallen short.