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Published:
Feb 1, 2022Keywords:
SARS-CoV-2; herd immunity; variants of concern; genomic sequencing
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Enhancing SARS-CoV-2 surveillance through regular genomic sequencing is an essential element of COVID-19 control in resource-limited settings
Abstract
Emerging variants of concern alter the effective reproduction number, and hence the herd immunity threshold for SARS-CoV-2 vaccination. Newer variants may eventually render the currently available vaccines ineffective. Unfortunately, most low-to-middle income countries lack local capacity for genomic sequencing, and hence may fail to detect emerging variants on time. These countries must aim to build local capacity for genomic sequencing and enhanced surveillance for SARS-CoV-2, enabling timely identification of new variants and changing epidemiological trends.
