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Genomic monitoring of the SARS-CoV-2 B1.1.7 (WHO VOC Alpha) in the Sao Paulo state, Brazil


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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Financiadora de Estudos e Projetos

The SARS-CoV-2 alpha VOC (also known as lineage B.1.1.7) initially described in the autumn, 2020 in UK, rapidly became the dominant lineage across much of Europe. Despite multiple studies reporting molecular evidence suggestive of its circulation in Brazil, much is still unknown about its genomic diversity in the state of São Paulo, the main Brazilian economic and transportation hub. To get more insight regarding its transmission dynamics into the State we performed phylogenetic analysis on all alpha VOC strains obtained between February and August 2021 from the Sao Paulo state Network for Pandemic Alert of Emerging SARS-CoV-2 variants. The performed phylogenetic analysis showed that most of the alpha VOC genomes were interspersed with viral strains sampled from different Brazilian states and other countries suggesting that multiple independent Alpha VOC introductions from Brazil and overseas have occurred in the São Paulo State over time. Nevertheless, large monophyletic clusters were also observed especially from the Central-West part of the São Paulo State (the city of Bauru) and the metropolitan region of the São Paulo city. Our results highlight the Alpha VOC molecular epidemiology in the São Paulo state and reinforce the need for continued genomic surveillance strategies for the real-time monitoring of potential emerging SARS-CoV-2 variants during the ever-growing vaccination process.

University of São Paulo Ribeirão Preto Medical School Blood Center of Ribeirão Preto

Butantan Institute

University of São Paulo Centro de Genômica Funcional da ESALQ

NGS Soluções Genômicas

Mendelics Análise Genômica SA

São Paulo State University (UNESP) School of Agricultural Sciences Department of Bioprocesses and Biotechnology

Department of Veterinary Medicine School of Animal Science and Food Engineering University of Sao Paulo

Medicine School of São José do Rio Preto (FAMERP) São José do Rio Preto

Molecular Biology Laboratory Applied Biotechnology Laboratory Clinical Hospital of the Botucatu Medical School

Instituto de Ciências Biológicas Universidade Federal de Minas Gerais Belo Horizonte

Instituto Oswaldo Cruz FIOCRUZ Rio de Janeiro

University of São Paulo Ribeirão Preto Medical School

São Paulo State University (UNESP) School of Agricultural Sciences Department of Bioprocesses and Biotechnology

Molecular Biology Laboratory Applied Biotechnology Laboratory Clinical Hospital of the Botucatu Medical School

FAPESP: 2017/26950–6

FAPESP: 2018/15826–5

FAPESP: 2019/08528–0

FAPESP: 2020/10127; 2020/05367–3

Financiadora de Estudos e Projetos: 207.234

Tipo de Documento Artigo científico
Idioma Inglês
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