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Emergence and Persistent Dominance of SARS-CoV-2 Omicron BA.2.3.7 Variant, Taiwan.
Emerging Infectious Diseases
|March 14, 2023
Summary
The Omicron BA.2.3.7 variant of SARS-CoV-2 became a dominant lineage in Taiwan
Area of Science:
- Virology
- Genomics
- Epidemiology
Background:
- Since April 2022, Taiwan has experienced multiple waves of SARS-CoV-2 Omicron variant infections.
- Community outbreaks have been a significant public health concern.
Purpose of the Study:
- To identify the major SARS-CoV-2 lineages driving recent community outbreaks in Taiwan.
- To analyze the genomic epidemiology of circulating SARS-CoV-2 variants.
Main Methods:
- High-throughput sequencing of the SARS-CoV-2 genome.
- Analysis of 2,405 PCR-positive swab samples from 2,339 individuals.
Main Results:
- The Omicron BA.2.3.7 variant was identified as a predominant lineage.
- This variant was associated with recent community transmission in Taiwan.
Conclusions:
- The Omicron BA.2.3.7 variant played a significant role in the SARS-CoV-2 outbreaks in Taiwan.
- Genomic surveillance is crucial for understanding and managing viral spread.
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