Australians might need to get three COVID-19 jabs to be considered fully vaccinated under a proposed new public health order. Prime Minister Scott Morrison will on Wednesday meet with premiers and chief ministers for what he has described as an “informal” meeting of the national cabinet to discuss rising COVID-19 Omicron cases. The announcement came following the easing of restrictions and opening of borders as Australians travel in preparation for their Christmas break. Up for discussion is the speeding up of booster shots and mask mandates in indoor areas, with the Australian Technical Advisory Group on Immunisation (ATAGI) considering whether to change the definition of “fully vaccinated” into three vaccine doses. In a press conference on Monday, Morrison said that Australia needed to “keep moving forward” with the easing of pandemic restrictions while also stating that vaccination and booster shots remained the “best defence” against Omicron. “We have to keep …