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Genomic analysis reveals local transmission of SARS-CoV-2 in early pandemic phase in Peru
Carlos Padilla Rojas Sr.; Karolyn Vega Chozo; Marco Galarza Perez; Henri Bailon Calderon; Priscila Lope Pari; Johana Balbuena Torres; David Garcia Neyra; Maribel Huaringa Nunez; Nancy Rojas Serrano; Omar Caceres Rey.
Affiliation
  • Carlos Padilla Rojas Sr.; Instituto Nacional de Salud, Peru
  • Karolyn Vega Chozo; Instituto Nacional de Salud, Peru
  • Marco Galarza Perez; Instituto Nacional de Salud, Peru
  • Henri Bailon Calderon; Instituto Nacional de Salud, Peru
  • Priscila Lope Pari; Instituto Nacional de Salud, Peru
  • Johana Balbuena Torres; Instituto Nacional de Salud, Peru
  • David Garcia Neyra; Instituto Nacional de Salud, Peru
  • Maribel Huaringa Nunez; Instituto Nacional de Salud, Peru
  • Nancy Rojas Serrano; Instituto Nacional de Salud
  • Omar Caceres Rey; Instituto Nacional de Salud
Preprint in English | bioRxiv | ID: ppbiorxiv-284604
ABSTRACT
The dissemination of cases of the new SAR-COV-2 coronavirus represents a serious public health problem for Latin America and Peru. For this reason, it is important to characterize the genome of the isolates that circulate in Latin America. To characterize the complete genome of first samples of the virus circulating in Peru, we amplified seven overlapping segments of the viral genome by RT-PCR and sequenced using Miseq platform. The results indicate that the genomes of the Peruvian SARS-COV-2 samples belong to the genetic groups G and S. Likewise, a phylogenetic and MST analysis of the isolates confirm the introduction of multiple isolates from Europe and Asia that, after border closing, were transmitted locally in the capital and same regions of the country. These Peruvian samples (56%) grouped into two clusters inside G clade and share B.1.1.1 lineage. The characterization of these isolates must be considered for the use and design of diagnostic tools, and effective treatment and vaccine formulations.
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Full text: Available Collection: Preprints Database: bioRxiv Type of study: Experimental_studies / Rct Language: English Year: 2020 Document type: Preprint
Full text: Available Collection: Preprints Database: bioRxiv Type of study: Experimental_studies / Rct Language: English Year: 2020 Document type: Preprint
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