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The first nationwide outbreak of COVID-19 in Vietnam started in late April 2021 and was caused almost exclusively by a single Delta lineage, AY.57. In early 2022, multiple Omicron variants co-circulated with Delta variants and quickly became dominant. The co-circulation of Delta and Omicron happened leading to possibility of co-infection and recombination events which can be revealed by viral genomic data. From January to October 2022, a total of 1028 viral RNA samples out of 4852 positive samples (Ct 

Original publication

DOI

10.1038/s41598-024-64898-5

Type

Journal

Scientific reports

Publication Date

06/2024

Volume

14

Addresses

Oxford University Clinical Research Unit, Hanoi, Vietnam. trangnt@oucru.org.

Keywords

OUCRU COVID-19 research group, Humans, RNA, Viral, Phylogeny, Recombination, Genetic, Genome, Viral, Adult, Middle Aged, Vietnam, Female, Male, Coinfection, COVID-19, SARS-CoV-2