The monthly COVID-19 publication numbers in the categories of "Letters" and "Articles" were nearly equal before July 2020. The yearly proportions of COVID-19-focused articles and letters were 48.8% and 29.9%, respectively, while non-COVID-19 proportions were 72.1% ...
中国Covid-19文章在2020年的年初达到顶峰,2020年第一季度,接近一半的COVID-19论文来自于中国(图8);随着疫情的发展,其他国家的论文数量激增。 图7 图8 截至2020年9月22日,PubMed 上COVID-19论文发表的前20个机构中,9个在美国,4个在中国,2个在英国,新加坡、意大利、印度、加拿大和伊朗各有一个(图9)。 图...
Nature (2020); https://www.nature.com/articles/d41586-020-00551-1 Niehus, R., De Salazar, P. M., Taylor, A. & Lipsitch, M. Quantifying bias of COVID-19 prevalence and severity estimates in Wuhan, China that depend on reported cases in international travelers. Preprint at medRxiv ...
This work is supported by the Air Force Office of Scientific Research under award number FA9550-19-1-0354, National Science Foundation SBE 1829344, the Alfred P. Sloan Foundation G-2019-12485 and G-2020-13873, and the Harvard Business School Division of Faculty Research and Development. Author...
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Since December 2019, an outbreak of coronavirus disease 2019 (COVID-19) in Wuhan, China, has spread throughout the world [1]. On February 11, 2020, the Coronavirus Study Group (CSG) of the International Committee on Taxonomy of Viruses (ICTV) officially named the novel coronavirus that caus...
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The present observational study was conducted in the “Department of Physiology, College of Medicine, King Saud University” during the period of May–June 2020. The data on the trends in the prevalence and mortality due to COVID-19 outbreak were acquired from World Health Organization [3]. Th...
On January 30, 2020, the World Health Organization (WHO) declared the outbreak of COVID-19 a Public Health Emergency of International Concern (PHEIC) [1]. In the following weeks, the virus quickly spread worldwide, forcing the governments of affected countries to implement lockdown measures to...