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. 2020 Jul 11;744:140881. doi: 10.1016/j.scitotenv.2020.140881

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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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Fig. 2 — Daily changes in the number of confirmed and incubative infections in eight regions since the outbreak of COVID-19. The black line denoted the number of confirmed cases per day, and the gray areas indicate the number of incubative cases, with a four-day interval between them. The colored lines represent the meteorological changes over the corresponding time, including the daily average temperature, daily minimum temperature, daily maximum temperature, absolute humidity, average wind speed, and visibility.