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. 2021 May 24;3(6):e349–e359. doi: 10.1016/S2589-7500(21)00059-5

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© 2021 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY 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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Change in daily mobility before and after implementation of NERs across 121 countries worldwide

Change in daily mobility before and after NERs in workplaces (A), transit stations (B), retail and recreation areas (C), residential areas (D), parks (E), and groceries and pharmacies (F). Thin lines represent raw data. Thick lines represent smoothed values from a generalised additive model. Global population mobility data were obtained from Google Community Mobility Reports. The selected observation time period was the first 35 days after the NER was declared. The baseline is the median value for the corresponding day of the week from Jan 3 to Feb 6, 2020. NER=national emergency response. SDI=sociodemographic index.