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. 2021 Jul 6;150:111400. doi: 10.1016/j.rser.2021.111400

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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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Fig. 6 — The trend of global daily COVID-19 vaccine doses administered (rolling 7-day average) from 15 December 2020 to 15 May 2021. Note: (a) 15 Dec 2020, (b) 15 Mar 2021, (c) 15 Mar 2021, (d) 15 Mar 2021, (e) 15 April 2021 and (f) 15 May 2021. The separate figures and data are retrieved from Our World in Data [75].