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. 2020 Oct 24;146:103–112. doi: 10.1016/j.wneu.2020.10.086

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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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Stacked-column chart showing percentages of neurosurgical cases operated at our center that tested negative, indeterminate, or positive for coronavirus disease 2019 (COVID-19) during various phases of nationwide lockdown. With the gradual step-up of testing capacity, we were able to emplace mandatory preoperative testing (green arrow) for COVID-19 by Phase V.