The Omicron Lineages BA.1 and BA.2 (Betacoronavirus SARS-CoV-2) Have Repeatedly Entered Brazil through a Single Dispersal Hub

Author:

Lamarca Alessandra P.1ORCID,Souza Ueric José Borges de2ORCID,Moreira Filipe Romero Rebello3,Almeida Luiz G. P. de1ORCID,Menezes Mariane Talon de3ORCID,Souza Adrieli Barboza de4,Ferreira Alessandro Clayton de Souza5,Gerber Alexandra L.1ORCID,Lima Aline B. de5ORCID,Guimarães Ana Paula de C.1,Cavalcanti Andréa Cony6,Silva Aryel B. Paz e7,Lima Bruna Israel8ORCID,Lobato Cirley9,Silva Cristiane Gomes Da6,Mendonça Cristiane P. T. B.5ORCID,Queiroz Daniel Costa7ORCID,Zauli Danielle Alves Gomes5,Menezes Diego7ORCID,Possebon Fábio Sossai10ORCID,Cardoso Franciano Dias Pereira11ORCID,Malta Frederico Scott Varella5ORCID,Braga-Paz Isabela7,Silva Joice do Prado5ORCID,Ferreira Jorge Gomes Goulart7,Galvão Jucimária Dantas11,Souza Leandro Magalhães de6ORCID,Ferreira Leonardo4ORCID,Possuelo Lia Gonçalves12ORCID,Cavalcante Liliane Tavares de Faria1ORCID,Alvim Luige B.5ORCID,Souza Luiz Fellype Alves de13,Santos Luiza C. G. de Araújo E7,Dias Rillery Calixto7,Souza Rutilene Barbosa13,Castro Thaís Regina y14,Valim Andréia Rosane de Moura12ORCID,Campos Fabrício Souza15ORCID,Araujo João Pessoa10ORCID,Trindade Priscila de Arruda14ORCID,Aguiar Renato S.7ORCID,Michael Delai Robson4,Vasconcelos Ana Tereza R de1ORCID

Affiliation:

1. Laboratório de Bioinformática, Laboratório Nacional de Computação Científica, Petrópolis 25651-075, Brazil

2. Laboratório de Bioinformática e Biotecnologia, Universidade Federal do Tocantins, Campus de Gurupi, Palmas 77410-570, Brazil

3. Laboratório de Virologia Molecular, Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-901, Brazil

4. Centro de Medicina Tropical da Tríplice Fronteira, Foz do Iguaçu 85866-010, Brazil

5. Departamento de Pesquisa & Desenvolvimento, Instituto Hermes Pardini, Belo Horizonte 30140-070, Brazil

6. Laboratório Central de Saúde Pública Noel Nutels, Rio de Janeiro 20231-092, Brazil

7. Departamento de Genética, Ecologia e Evolução, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, Brazil

8. Laboratório de Biologia Molecular, Parque Científico e Tecnológico Regional, Universidade de Santa Cruz do Sul, Santa Cruz do Sul 96815-900, Brazil

9. Centro de Ciências de Saúde e do Desporto, Universidade Federal do Acre, Rio Branco 69920-900, Brazil

10. Instituto de Biotecnologia, Universidade Estadual Paulista, Botucatu 18618-689, Brazil

11. Laboratório Central de Saúde Pública do Estado do Tocantins, Palmas 77054-970, Brazil

12. Departmento de Ciências da Vida, Universidade de Santa Cruz do Sul, Santa Cruz do Sul 96815-900, Brazil

13. Centro de Infectologia Charles Mérieux and Laboratório Rodolphe Mérieux, Hospital das Clínicas do Acre, Rio Branco 69920-223, Brazil

14. Laboratório de Biologia Molecular e Bioinformática Aplicadas a Microbiologia Clínica, Universidade Federal de Santa Maria, Santa Maria 97105-900, Brazil

15. Laboratório de Virologia, Departamento de Microbiologia, Imunologia e Parasitologia, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre 90010-150, Brazil

Abstract

Brazil currently ranks second in absolute deaths by COVID-19, even though most of its population has completed the vaccination protocol. With the introduction of Omicron in late 2021, the number of COVID-19 cases soared once again in the country. We investigated in this work how lineages BA.1 and BA.2 entered and spread in the country by sequencing 2173 new SARS-CoV-2 genomes collected between October 2021 and April 2022 and analyzing them in addition to more than 18,000 publicly available sequences with phylodynamic methods. We registered that Omicron was present in Brazil as early as 16 November 2021 and by January 2022 was already more than 99% of samples. More importantly, we detected that Omicron has been mostly imported through the state of São Paulo, which in turn dispersed the lineages to other states and regions of Brazil. This knowledge can be used to implement more efficient non-pharmaceutical interventions against the introduction of new SARS-CoV variants focused on surveillance of airports and ground transportation.

Funder

BRICS/CNPq/MCTI

Coalizão

Corona-ômica-RJ

COALIZÃO—Ministério da Saúde

FAPESP

FAPERJ

FINEP

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior

Rede Corona-ômica BR MCTI/FINEP affiliated to RedeVírus/MCTI

Publisher

MDPI AG

Subject

Virology,Infectious Diseases

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3. World Health Organization (2022, September 27). WHO Coronavirus (COVID-19) Dashboard. Available online: https://covid19.who.int.

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5. Harnessing Artificial Intelligence to Assess the Impact of Nonpharmaceutical Interventions on the Second Wave of the Coronavirus Disease 2019 Pandemic across the World;Tao;Sci. Rep.,2022

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