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Comparing the evolutionary dynamics of predominant SARS-CoV-2 virus lineages co-circulating in Mexico

  • Hugo G. Castelán-Sánchez
  • , Luis Delaye
  • , Rhys P.D. Inward
  • , Simon Dellicour
  • , Bernardo Gutierrez
  • , Natalia Martinez de la Vina
  • , Celia Boukadida
  • , Oliver G. Pybus
  • , Guillermo de Anda Jáuregui
  • , Plinio Guzmán
  • , Marisol Flores-Garrido
  • , Óscar Fontanelli
  • , Maribel Hernández Rosales
  • , Amilcar Meneses
  • , Gabriela Olmedo-Alvarez
  • , Alfredo Heriberto Herrera-Estrella
  • , Alejandro Sánchez-Flores
  • , José Esteban Muñoz-Medina
  • , Andreu Comas-García
  • , Bruno Gómez-Gil
  • Selene Zárate, Blanca Taboada, Susana López, Carlos F. Arias, Moritz U.G. Kraemer, Antonio Lazcano, Marina Escalera Zamudio*
*Corresponding author for this work
  • Consorcio Mexicano de Vigilancia Genómica (CoViGen-Mex)
  • Consejo Nacional de Ciencia y Tecnología
  • Centro de Investigacion y de Estudios Avanzados del Instituto Politécnico Nacional
  • University of Oxford
  • Université Libre de Bruxelles
  • KU Leuven
  • Instituto Nacional de Enfermedades Respiratorias
  • Royal Veterinary College University of London
  • Instituto Nacional de Medicina Genómica
  • Astronomer LTD
  • Universidad Nacional Autónoma de México
  • Centro de Investigacion y de Estudios Avanzados del IPN
  • Instituto Mexicano del Seguro Social
  • Universidad Autónoma de San Luis Potosí, Facultad de Medicina
  • Unidad Regional Mazatlán en Acuicultura y Manejo Ambiental
  • Universidad Autonoma de la Ciudad de Mexico
  • UNAM

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Over 200 different SARS-CoV-2 lineages have been observed in Mexico by November 2021. To investigate lineage replacement dynamics, we applied a phylodynamic approach and explored the evolutionary trajectories of five dominant lineages that circulated during the first year of local transmission. For most lineages, peaks in sampling frequencies coincided with different epidemiological waves of infection in Mexico. Lineages B.1.1.222 and B.1.1.519 exhibited similar dynamics, constituting clades that likely originated in Mexico and persisted for >12 months. Lineages B.1.1.7, P.1 and B.1.617.2 also displayed similar dynamics, characterized by multiple introduction events leading to a few successful extended local transmission chains that persisted for several months. For the largest B.1.617.2 clades, we further explored viral lineage movements across Mexico. Many clades were located within the south region of the country, suggesting that this area played a key role in the spread of SARS-CoV-2 in Mexico.

Original languageEnglish
Article numbere82069
JournaleLife
Volume12
DOIs
StatePublished - 27 Jul 2023
Externally publishedYes

Keywords

  • Humans
  • Mexico/epidemiology
  • COVID-19/epidemiology
  • SARS-CoV-2/genetics
  • Biological Evolution
  • Phylogeny

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