• Laila F Ibrahim, Shidan Tosif, Sarah McNab, Samantha Hall, Hyun Jung Lee, Stuart Lewena, Andrew J Daley, Nigel W Crawford, Andrew C Steer, Penelope A Bryant, and Franz E Babl.
• Department of Paediatrics, The University of Melbourne, Melbourne, Victoria, Australia.
• Emerg Med Australas. 2020 Oct 1; 32 (5): 801-808.

ObjectiveInternational studies describing COVID-19 in children have shown low proportions of paediatric cases and generally a mild clinical course. We aimed to present early data on children tested for SARS-CoV-2 at a large Australian tertiary children's hospital according to the state health department guidelines, which varied over time.MethodsWe conducted a retrospective cohort study at The Royal Children's Hospital, Melbourne, Australia. It included all paediatric patients (aged 0-18 years) who presented to the ED or the Respiratory Infection Clinic (RIC) and were tested for SARS-CoV-2. The 30-day study period commenced after the first confirmed positive case was detected at the hospital on 21 March 2020, until 19 April 2020. We recorded epidemiological and clinical data.ResultsThere were 433 patients in whom SARS-CoV-2 testing was performed in ED (331 [76%]) or RIC (102 [24%]). There were four (0.9%) who had positive SARS-CoV-2 detected, none of whom were admitted to hospital or developed severe disease. Of these SARS-CoV-2 positive patients, 1/4 (25%) had a comorbidity, which was asthma. Of the SARS-CoV-2 negative patients, 196/429 (46%) had comorbidities. Risk factors for COVID-19 were identified in 4/4 SARS-CoV-2 positive patients and 47/429 (11%) SARS-CoV-2 negative patients.ConclusionOur study identified a very low rate of SARS-CoV-2 positive cases in children presenting to a tertiary ED or RIC, none of whom were admitted to hospital. A high proportion of patients who were SARS-CoV-2 negative had comorbidities.© 2020 Australasian College for Emergency Medicine.

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