Here's what we know about the Omicron sub-variant BA.2
ABCJust as we begin to enjoy our renewed freedoms, a potentially more infectious coronavirus mutation is emerging. New South Wales Health Minister Brad Hazzard said cases could "more than double" in six weeks due to new Omicron sub-variant BA.2, as the state recorded 16,288 cases on Thursday, its highest number since January. Authorities concerned at rise of Omicron strain Photo shows A man wearing glasses and a suit faces forward speaking Brad Hazzard says new data shows the BA.2 sub-variant is becoming the dominant Omicron offshoot, and COVID-19 cases could "more than double" in weeks. "Experience overseas has shown us that BA.2 quite rapidly can overtake BA.1 to become the dominant type of Omicron," she said. "It's highly likely … in only another month or six weeks we could be looking at cases more than double what we're currently getting," he said.