The Morrison government left planning for Australia’s COVID-19 vaccine rollout until too late, underestimating the challenges of protecting aged and disability care residents and bungling co-ordination with state governments, a major review has found.

As health authorities urge Australians to take up fourth doses in the latest omicron wave, a review by Auditor-General Grant Hehir found the Department of Health did not incorporate take-up targets set by the Coalition government into planning for the delayed rollout and lacked proper reporting and data controls.