USJ Medical Faculty Scientists Conduct Whole Genomic Sequencing of SARS-CoV-2 Variants in Sri Lanka

The Allergy Immunology and Cell Biology Unit at the Department of Immunology and Molecular Medicine, University of Sri Jayewardenepura, has successfully conducted whole genomic sequencing of SARS-CoV-2 variants in Sri Lanka. This groundbreaking research provides valuable insights into the changing landscape of the virus in the country.
The “Report 60” contains the whole genomic sequencing of the SARS-CoV-2 variants was released to the public on May 19, 2023 at Colombo, Sri Lanka by Allergy Immunology and Cell Biology Unit.

The study involved sequencing 20 samples, including those referred from laboratories and samples collected for research purposes. The results revealed the presence of various SARS-CoV-2 variants, with the following distribution:

XBB.1.9.2: 3/20
XBB.1.9.1: 2/20
XBB.1.16.1: 2/20
XBB.1.16: 10/20
CH.1.1.1: 2/20
BN.1.2: 1/20

To provide a comprehensive overview, the research team has compiled several informative figures. Figure 1 depicts the timeline of the emergence and displacement of different variants in Sri Lanka, showcasing the changes in the SARS-CoV-2 variants over time. Figure 2 highlights the change in the relative frequency of Omicron sub-lineages, a variant of significant concern. Additionally, Figure 4 illustrates the sequencing of viruses carried out in Sri Lanka thus far, while Figure 5 presents the phylogenetic tree of all SARS-CoV-2 sequences identified in the country.To promote open access to this valuable data, the findings are available for public exploration through the link: Researchers, policymakers, and the general public can access this resource to further their understanding of the evolving SARS-CoV-2 variants in Sri Lanka.

This significant achievement highlights the University of Sri Jayewardenepura’s commitment to scientific excellence and its invaluable contributions to combating the COVID-19 pandemic. The research conducted by the Allergy Immunology and Cell Biology Unit serves as a testament to the university’s dedication to advancing knowledge and promoting public health in Sri Lanka.

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