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Most children diagnosed with COVID-19 during the current outbreak, including those who caught the infection in educational settings, experienced mild or no symptoms, with only 2% requiring hospitalisation, the latest report from the National Centre for Immunisation Research and Surveillance (NCIRS) has confirmed.
This is despite the high transmissibility of the Delta variant resulting in a five-fold increase in the spread of COVID-19 in schools, early childhood education and care (ECEC) services and households, when compared to the 2020 experience with the original strain of the COVID-19 virus.
The COVID-19 Delta variant in schools and early childhood education and care services in NSW, Australia report provides the latest data from an ongoing study by NCIRS and the University of Sydney in collaboration with NSW Health and the NSW Department of Education that has been tracking COVID-19 transmission in educational settings since March 2020.
The most recent report looks at transmission of COVID-19 in schools and households from 16 June to 31 July 2021.
“The findings of the report are consistent with recent studies overseas showing that the Delta variant is more transmissible and resulting in a greater number of COVID-19 cases among children and young people,” Professor Kristine Macartney, NCIRS Director and Professor at the University of Sydney, said.
“The higher transmission in schools and ECECs, and risk across the wider community, has made stay-at-home learning necessary for most children during the current epidemic period, while we work to achieve higher levels of vaccination rates among school and early childhood staff, and the adult population more generally.”
This study monitored all cases where a staff or student with COVID-19 attended a school or ECEC service while infectious, tracking all secondary contacts and also calculating virus transmission rates in associated households when a case of COVID-19 developed in a school or ECEC contact.
Key findings of the study from 16 June to 31 July 2021 include:
Dr Archana Koirala, a paediatric infectious disease specialist and Clinical Associate Lecturer at the University of Sydney leading the study, noted that full participation in education services is essential for children to learn and develop socially and for family and societal functioning.
“These results should give confidence to families, schools and the community that we have robust evidence on how the Delta variant behaves in children and educational settings. This evidence is being used to design strategies for returning to face-to-face learning safely as we learn to live with COVID-19,” Dr Koirala said.
An additional 91 educational settings in NSW were identified between 1 August and 19 August 2021 as having a COVID-19 case(s) attend while infectious. Data on COVID-19 transmission in these settings will be included in the next report.
See the full report and data breakdown here
The study team also previously published the first comprehensive, population-based assessment of COVID-19 transmission in educational settings globally in August last year in The Lancet Child and Adolescent Health journal and released four school-term based reports on the study. Access these reports here.
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