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Laboratory Network and Detection

COVID-19

by Indian Army 3 Years | July 3, 2020
The diagnostic landscape of this outbreak is changing quickly. The first COVID-19 cases were detected using genomic sequencing, but multip

The diagnostic landscape of this outbreak is changing quickly. The first COVID-19 cases were detected using genomic  

sequencing, but multiple RT-PCR commercial and non-commercial assays have since been developed. As the  

international case load increases, there is an urgent need to rapidly scale up diagnostic capacity to detect and  

confirm cases of COVID-19. WHO has taken a three-pronged approach to enhance global diagnostic capacity for the  

COVID-19 virus:  

1) Developing a WHO network of 15 COVID-19 reference laboratories with demonstrated expertise in the  

molecular detection of coronaviruses. These international laboratories can support national labs to confirm  

the COVID-19 virus and troubleshoot their molecular assays.

2) Strengthening national capacity for detection of the COVID-19 virus so that diagnostic testing can be  

performed rapidly without the need for overseas shipping. Existing global networks for detection of  

respiratory pathogens are being utilized including, notably, the National Influenza Centers that support the  

Global Influenza Surveillance and Response System.