Detection of co-infection and recombination cases with Omicron and local Delta variants of SARS-CoV-2 in Vietnam

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...

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Bibliographic Details
Published in:Scientific reports 2024-06, Vol.14 (1), p.14225-8, Article 14225
Main Authors: Trang, Nguyen Thu, Dien, Trinh Cong, Tam, Nguyen Thi, Cuong, Phan Manh, Van Duyet, Le, Thuong, Nguyen Thi Hong, Trang, Van Dinh, Thach, Pham Ngoc, van Doorn, H. Rogier, Kesteman, Thomas
Format: Article
Language:English
Subjects:
631/326
631/326/596
Adult
Coinfection - epidemiology
Coinfection - virology
COVID-19
COVID-19 - epidemiology
COVID-19 - virology
Epidemiology
Female
Genome, Viral - genetics
Genomics
Humanities and Social Sciences
Humans
Infections
Male
Middle Aged
multidisciplinary
Phylogeny
Recombinants
Recombination
Recombination, Genetic
RNA, Viral - genetics
SARS-CoV-2 - genetics
SARS-CoV-2 - isolation & purification
Science
Science (multidisciplinary)
Severe acute respiratory syndrome coronavirus 2
Vietnam - epidemiology
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Summary: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 
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-024-64898-5