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. 2023 Feb 27;46(6):745–750. doi: 10.1111/1753-6405.13305

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© 2022 Copyright 2022 THE AUTHORS.

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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Temporal distribution of COVID‐19 cases in the Southern district, by source of infection. If no travel history or known exposure to a confirmed case or known outbreak, we assumed community transmission. COVID‐19: Coronavirus disease 2019.