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Omicron Waves in Argentina: Dynamics of SARS-CoV-2 Lineages BA.1, BA.2 and the Emerging BA.2.12.1 and BA.4/BA.5

The COVID-19 pandemic has lately been driven by Omicron. This work aimed to study the dynamics of SARS-CoV-2 Omicron lineages during the third and fourth waves of COVID-19 in Argentina. Molecular surveillance was performed on 3431 samples from Argentina, between EW44/2021 and EW31/2022. Sequencing,...

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Main Authors: Torres, Carolina, Nabaes Jodar, Mercedes Soledad, Acuña, Dolores, Zambrana Montaño, Romina Micaela, Culasso, Andrés Carlos Alberto, Amadio, Ariel, Aulicino, Paula, Ceballos, Santiago, Cacciabue, Marco Polo Domingo, Debat, Humberto Julio, Dus Santos, Maria Jose, Eberhardt, María Florencia, Espul, Carlos, Fay, Fabián, Fernández, María Ailén, Fernandez, Franco Daniel, Fernandez Muñoz, Juan Manuel, Ferrini, Florencia, Gallego, Fernando, Giri, Adriana Angélica, Cerri, Agustina, Bolatti, Elisa, Gismondi, Maria Ines, Goya, Stephanie, Gramundi, Iván, Irazoqui, Jose Matias, Konig, Guido Alberto, Leiva, Viviana, Lucero, Horacio, Marquez, Nathalie, Nardi, Cristina, Ortiz, Belén, Pianciola, Luis, Pintos, Carolina Beatriz, Puebla, Andrea Fabiana, Rastellini, Carolina Victoria, Rojas, Alejandro Ezequiel, Sfalcin, Javier, Suárez, Ariel, Tittarelli, Estefanía, Toro, Rosana, Villanova, Gabriela Vanina, Ziehm, María Cecilia, Zimmermann, María Carla, Zunino, Sebastián, Proyecto PAIS Working Group, Valinotto, Laura, Viegas, Mariana
Format: info:ar-repo/semantics/artículo
Language:Inglés
Published: MDPI 2023
Subjects:
Severe Acute Respiratory Syndrome Coronavirus 2
Variants
Evolution
South America
Dynamics
Coronavirus del Síndrome Respiratorio Agudo Grave 2
Variantes
Evolución
América del Sur
Dinámica
Argentina
SARS-CoV-2
Omicron
BA.1
BA.2
BA.4
BA.5
Online Access:http://hdl.handle.net/20.500.12123/15224
https://www.mdpi.com/1999-4915/15/2/312
https://doi.org/10.3390/v15020312
Summary:The COVID-19 pandemic has lately been driven by Omicron. This work aimed to study the dynamics of SARS-CoV-2 Omicron lineages during the third and fourth waves of COVID-19 in Argentina. Molecular surveillance was performed on 3431 samples from Argentina, between EW44/2021 and EW31/2022. Sequencing, phylogenetic and phylodynamic analyses were performed. A differential dynamic between the Omicron waves was found. The third wave was associated with lineage BA.1, characterized by a high number of cases, very fast displacement of Delta, doubling times of 3.3 days and a low level of lineage diversity and clustering.

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