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Title:

Genomic sequencing of SARS-CoV-2: a guide to implementation for maximum impact on public health

Authors:
This implementation guide was developed in consultation with experts with experience in the various fields of genome sequencing from the Global Laboratory Alliance of High Threat Pathogens (GLAD-HP), WHO reference laboratories providing confirmatory testing for COVID-19 and the Global Outbreak Alert and Response Network (GOARN). Lane Warmbrod
Date posted:
January 11, 2021
Publication type:
Report
Publisher:
World Health Organization
See also:
Introduction:
Recent advances have allowed the genomes of the severe acute respiratory syndrome coronavirus2 (SARS-CoV-2) – the causative agent of COVID-19 – to be sequenced within hours or days of a case being identified. As a result, for the first time, genomic sequencing in real time has been able to inform the public health response to a pandemic. Metagenomic sequencing was fundamental to the detection and characterization of the novel pathogen. Early sharing of SARS-CoV-2 genome sequences allowed molecular diagnostic assays to be developed rapidly, which improved global preparedness, and contributed to the design of countermeasures. Rapid, large-scale virus genome sequencing is contributing to understanding the dynamics of viral epidemics and to evaluating the efficacy of control measures. Increased recognition that viral genome sequencing can contribute to improving public health is driving more laboratories to invest in this area. However, the cost and work involved in gene sequencing are substantial, and laboratories need to have a clear idea of the expected public health returns on this investment. This document provides guidance for laboratories on maximizing the impact of SARS-CoV-2 sequencing activities now and in the future.

 

 

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