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Genomic and Epidemiological Surveillance of Zika Virus in the Amazon Region

  • Giovanetti, Marta;
  • Faria, Nuno Rodrigues;
  • Lourenco, Jose;
  • de Jesus, Jaqueline Goes;
  • Xavier, Joilson;
  • Claro, Ingra Morales;
  • Kraemer, Moritz UG;
  • Fonseca, Vagner;
  • Dellicour, Simon; 105548;
  • Theze, Julien;
  • Salles, Flavia da Silva;
  • Graf, Tiago;
  • Silveira, Paola Paz;
  • do Nascimento, Valdinete Alves;
  • de Souza, Victor Costa;
  • de Melo Iani, Felipe Campos;
  • Castilho-Martins, Emerson Augusto;
  • Cruz, Laura Nogueira;
  • Wallau, Gabriel;
  • Fabri, Allison;
  • And 20 more
Publication Date
Feb 18, 2020
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Zika virus (ZIKV) has caused an explosive epidemic linked to severe clinical outcomes in the Americas. As of June 2018, 4,929 ZIKV suspected infections and 46 congenital syndrome cases had been reported in Manaus, Amazonas, Brazil. Although Manaus is a key demographic hub in the Amazon region, little is known about the ZIKV epidemic there, in terms of both transmission and viral genetic diversity. Using portable virus genome sequencing, we generated 59 ZIKV genomes in Manaus. Phylogenetic analyses indicated multiple introductions of ZIKV from northeastern Brazil to Manaus. Spatial genomic analysis of virus movement among six areas in Manaus suggested that populous northern neighborhoods acted as sources of virus transmission to other neighborhoods. Our study revealed how the ZIKV epidemic was ignited and maintained within the largest urban metropolis in the Amazon. These results might contribute to improving the public health response to outbreaks in Brazil. / status: published

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