Phylogenomics reveals multiple introductions and early spread of SARS-CoV-2 into Peru

J Med Virol. 2021 Oct;93(10):5961-5968. doi: 10.1002/jmv.27167. Epub 2021 Jul 16.

Abstract

Peru has become one of the countries with the highest mortality rates from the current coronavirus disease 2019 (COVID-19) pandemic caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). To investigate early transmission events and the genomic diversity of SARS-CoV-2 isolates circulating in Peru in the early COVID-19 pandemic, we analyzed 3472 viral genomes, of which 149 were from Peru. Phylogenomic analysis revealed multiple and independent introductions of the virus likely from Europe and Asia and a high diversity of genetic lineages circulating in Peru. In addition, we found evidence for community-driven transmission of SARS-CoV-2 as suggested by clusters of related viruses found in patients living in different regions of Peru.

Keywords: SARS-CoV-2; evolution; molecular epidemiology; phylogenomics; transmission; whole-genome sequencing.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • COVID-19 / epidemiology*
  • COVID-19 / transmission*
  • COVID-19 / virology
  • Genetic Variation
  • Genome, Viral / genetics
  • Humans
  • Peru / epidemiology
  • Phylogeny
  • Phylogeography
  • RNA, Viral / genetics
  • SARS-CoV-2 / classification
  • SARS-CoV-2 / genetics*

Substances

  • RNA, Viral