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. 2021 Apr 12;9(7):e916–e924. doi: 10.1016/S2214-109X(21)00103-0

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© 2021 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY-NC-ND 4.0 license

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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The effect of routine testing of symptomatic individuals on the potential size of an outbreak in Vietnam after border reopening

(A) Median estimated trajectories of the 14-day rolling average of daily COVID-19 diagnoses across 100 simulations. (B) Cumulative number of COVID-19 infections between Dec 1, 2020, and March 1, 2021, in each simulation (grey dots) with medians (blue dots). Blue shaded areas show the density of the projected cumulative infections across 100 simulations.