Queensland (QLD) Chief Health Officer Jeanette Young said she was “struggling to understand” how a 17-year-old Brisbane schoolgirl has contracted COVID-19, the disease caused by the CCP virus. The Australian student became unwell on Thursday and tested positive overnight. QLD Health Minister Yvette D’Ath said the girl’s family of five, who live in the Brisbane suburb of Taringa, were also being tested. “We are treating this as if the young lady was infectious from the 27th [of July],” D’Ath told reporters on Friday morning. “So she’s been in the community for three days and at school for two days.” Indooroopilly State High School has notified families and closed down for a deep clean. QLD Health authorities have very little information at this stage, and other exposure sites have not yet been identified. “At this point, we understand the family hasn’t travelled anywhere,” D’Ath said. “We are still to get genomic …