Author: Mengying Dong; Xiaojun Cao; Mingbiao Liang; Lijuan Li; Huiying Liang; Guangjian Liu
Title: Understand Research Hotspots Surrounding COVID-19 and Other Coronavirus Infections Using Topic Modeling Document date: 2020_3_30
ID: 3wuh6k6g_1
Snippet: Coronaviruses (CoVs) are enveloped, positive single-stranded large RNA viruses that cause respiratory and intestinal infections in animals and humans (1) . To date, there have seven human coronaviruses (HCoVs) been identified. The alpha-CoVs HCoVs-NL63 and HCoVs-229E and the beta-CoVs HCoVs-OC43, HCoVs-HKU1 only cause mild respiratory illness (2, 3) . However, in the past two decades, two novel coronaviruses, severe acute respiratory syndrome CoV.....
Document: Coronaviruses (CoVs) are enveloped, positive single-stranded large RNA viruses that cause respiratory and intestinal infections in animals and humans (1) . To date, there have seven human coronaviruses (HCoVs) been identified. The alpha-CoVs HCoVs-NL63 and HCoVs-229E and the beta-CoVs HCoVs-OC43, HCoVs-HKU1 only cause mild respiratory illness (2, 3) . However, in the past two decades, two novel coronaviruses, severe acute respiratory syndrome CoV (SARS-CoV) and Middle East respiratory syndrome CoV (MERS-CoV), caused severe human diseases in local countries and regions, representing fatality rates of around 10% and 35%, respectively (4) (5) (6) . Now, the seventh HCoV, SARS-CoV-2 (formerly 2019-nCoV), is causing an outbreak of coronavirus disease all over the world.
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