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. 2021 Sep 25;41:A93–A104. doi: 10.1016/j.vaccine.2021.09.037

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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. 3 — Forward simulation of cVDPV2 outbreak originating in Diamir, Pakistan, assuming no vaccination response (since March 2020) based on 50% reduction in routine immunization (RI) coverage (between March-June 2020) due to COVID-19 lockdown. (A) Estimated RI coverage. (B) Absolute increase in median cumulative number of cVDPV2 cases by 1 November 2020 due to 50% reduced RI during March–June 2020 compared to normal RI coverage (assuming typical poliovirus transmission). (C) Cumulative number of cVDPV2 cases from March 2020 across the assumptions of changes in poliovirus transmission and with or without 50% reduction in RI coverage.