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10.1038/s41598-021-87713-x

http://scihub22266oqcxt.onion/10.1038/s41598-021-87713-x
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33875719!8055906!33875719
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suck abstract from ncbi


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pmid33875719      Sci+Rep 2021 ; 11 (1): 8435
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  • Global dynamics of SARS-CoV-2 clades and their relation to COVID-19 epidemiology #MMPMID33875719
  • Hamed SM; Elkhatib WF; Khairalla AS; Noreddin AM
  • Sci Rep 2021[Apr]; 11 (1): 8435 PMID33875719show ga
  • Expansion of COVID-19 worldwide increases interest in unraveling genomic variations of novel SARS-CoV-2 virus. Metadata of 408,493 SARS-CoV-2 genomes submitted to GISAID database were analyzed with respect to genomic clades and their geographic, age, and gender distributions. Of the currently known SARS-CoV-2 clades, clade GR was the most prevalent worldwide followed by GV then GH. Chronological analysis revealed expansion in SARS-CoV-2 clades carrying D614G mutations with the predominance of the newest clade, GV, in the last three months. D614G clades prevail in countries with more COVID-19 cases. Of them, the clades GH and GR were more frequently recovered from severe or deceased COVID-19 cases. In contrast, G and GV clades showed a significantly higher prevalence among asymptomatic patients or those with mild disease. Metadata analysis showed higher (p < 0.05) prevalence of severe/deceased cases among males than females and predominance of GR clade in female patients. Furthermore, severe disease/death was more prevalent (p < 0.05) in elderly than in adults/children. Higher prevalence of the GV clade in children compared to other age groups was also evident. These findings uniquely provide a statistical evidence on the adaptation-driven evolution of SARS-CoV-2 leading to altered infectivity, virulence, and mortality.
  • |Adult[MESH]
  • |Age Factors[MESH]
  • |Aged[MESH]
  • |COVID-19/epidemiology/*pathology/virology[MESH]
  • |Child[MESH]
  • |Coronavirus Nucleocapsid Proteins/genetics[MESH]
  • |Coronavirus RNA-Dependent RNA Polymerase/genetics[MESH]
  • |Databases, Factual[MESH]
  • |Europe/epidemiology[MESH]
  • |Female[MESH]
  • |Humans[MESH]
  • |Male[MESH]
  • |Middle Aged[MESH]
  • |Mutation[MESH]
  • |North America/epidemiology[MESH]
  • |SARS-CoV-2/*genetics/isolation & purification[MESH]
  • |Sex Factors[MESH]
  • |Spike Glycoprotein, Coronavirus/genetics[MESH]


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