It’s unclear if Victorian Premier Daniel Andrews will return to work in 10 days, although his deputy insists he’s making steady progress after a serious back injury. Andrews suffered broken ribs and a fractured T7 vertebra after slipping on wet stairs at a holiday home on the Mornington Peninsula on March 9. The 48-year-old was released from the hospital on March 15 and has been recovering at home since. At the time he said he would require at least six weeks off to recover. Deputy Premier James Merlino has been acting premier in his absence. “This was a nasty, nasty injury. Fractured ribs, fractured vertebrae. He’s very, very lucky and that was the message from his doctors when he got discharged (from the hospital),” Merlino told reporters on Thursday. “But Dan’s doctors are pleased he’s making good progress.” Asked if the premier would return to work as planned in 10 …