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. 2020 Feb 24;222(5):415–426. doi: 10.1016/j.ajog.2020.02.017

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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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Timeline showing key events in the COVID-19 outbreak

Timeline showing key events in the COVID-19 outbreak, Dec. 1, 2019, through Feb. 15, 2020.

CDC, Centers for Disease Control and Prevention; COVID-19, coronavirus disease 2019; US, United States; WHO, World Health Organization.

Rasmussen. 2019 novel coronavirus and pregnancy. Am J Obstet Gynecol 2020.