Coronavirus contact tracing sites grow following identification of 'missing link' in Brisbane Posted 2 updated 1 AprApril 2021 at 6:41am Please follow directions from Queensland Health if you have attended any of these sites at the specified times. ( Share Print text only Cancel Following the Good Friday announcement that a previously unidentified nurse is believed to be the missing link in Brisbane's COVID-19 clusters, Queensland Health has updated the COVID-19 contact list. The previously unidentified nurse, who also works at the Princess Alexandra Hospital, treated the same returned traveller who infected a doctor earlier in March. Queensland COVID-19 snapshot: Deaths: 6 Active cases: 82 historical casual contacts.