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. 2020 Aug 20;8(10):3378–3387.e11. doi: 10.1016/j.jaip.2020.07.057

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© 2020 American Academy of Allergy, Asthma & Immunology.

Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

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Figure E1 — Effects of public health interventions designed to limit viral transmission on viral testing. Deidentified institutional ED virology testing results for the period 2015 to 2020 were accessed. (A-D) Bar plots of rates of positive viral testing (IFV-A, IFV-B, RSV, and RV, respectively) from January 17 to March 17 vs March 18 to May 17 in the period 2015 to 2019 (and the average of that range) vs 2020.