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1.
Arch Virol ; 166(11): 3173-3177, 2021 Nov.
Article in English | MEDLINE | ID: mdl-34448936

ABSTRACT

SARS-CoV-2 variants emerged in late 2020, and at least three variants of concern (B.1.1.7, B.1.351, and P1) have been reported by WHO. These variants have several substitutions in the spike protein that affect receptor binding; they exhibit increased transmissibility and may be associated with reduced vaccine effectiveness. In the present work, we report the identification of a potential variant of interest, harboring the mutations T478K, P681H, and T732A in the spike protein, within the newly named lineage B.1.1.519, that rapidly outcompeted the preexisting variants in Mexico and has been the dominant virus in the country during the first trimester of 2021.


Subject(s)
COVID-19/epidemiology , COVID-19/virology , SARS-CoV-2/genetics , COVID-19/transmission , Genome, Viral/genetics , Humans , Mexico/epidemiology , Mutation , Phylogeny , Prevalence , SARS-CoV-2/classification , SARS-CoV-2/isolation & purification , Spike Glycoprotein, Coronavirus/genetics
2.
Arch Virol ; 165(9): 2095-2098, 2020 Sep.
Article in English | MEDLINE | ID: mdl-32556599

ABSTRACT

SARS-CoV-2 was first detected in the city of Wuhan, Hubei Province, China. In this report, we describe the complete genome sequence of the first imported SARS-CoV-2, detected in a Mexican patient who had traveled to Bergamo, Italy. Phylogenetic analysis showed that this isolate belongs to subclade A2a (lineage G) and is closely related to isolates from Finland, Germany and Brazil, all of which were from patients with a history of travel to Italy. This is the first report of the complete genome sequence of this virus in Mexico.


Subject(s)
Betacoronavirus/genetics , Coronavirus Infections/virology , Genome, Viral , Pneumonia, Viral/virology , Adult , Base Sequence , Betacoronavirus/classification , Betacoronavirus/isolation & purification , COVID-19 , Humans , Male , Mexico , Pandemics , Phylogeny , SARS-CoV-2 , Whole Genome Sequencing
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