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. 2022 Oct 13;15(11):1212–1224. doi: 10.1016/j.jiph.2022.10.006

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© 2022 The Author(s)

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. 5 — (A) The transmission of SARS-CoV-2 variants in children and the shadow pandemic on children caused by COVID-19; the immunogenicity, safety of (B) CoronaVac and (C) BNT162b2 in clinical trials.