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. 2021 Feb 18;105:252–255. doi: 10.1016/j.ijid.2021.02.060

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© 2021 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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Interrupted time series analysis.

This figure represents the timeline of key state and local interventions (top), interrupted time series for percent of healthcare worker personnel with positive SARS-COV2 (middle), and possible or confirmed hospital acquired infections (bottom). Note: the intervention was implemented on July 6, 2020. HCP: healthcare personnel; HAI: hospital acquired infections; BSLMC; Baylor St. Luke’s Medical Center, Houston, TX.