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. 2022 Mar 10;124:29–36. doi: 10.1016/j.jhin.2022.02.023

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© 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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Healthcare-associated coronavirus disease 2019 (COVID-19) outbreaks by category and diagnosis month. (a) Epi curve of healthcare-associated COVID-19 outbreaks by month of primary case diagnosis and (b) number of healthcare-associated COVID-19 outbreaks by category and month of primary case diagnosis in Taiwan from 15^th January 2020 to 31^st July 2021. Each bar represents a single outbreak. (Left) Thirteen healthcare-associated outbreaks with healthcare workers (HCWs) as the primary cases. (Middle) Eleven healthcare-associated outbreaks with companions as the primary cases. (Right) Thirty healthcare-associated outbreaks with patients as the primary cases.