Recommendations for national sars-coV-2 testing strategies and diagnostic capacities



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WHO-2019-nCoV-lab-testing-2021.1-eng

10.

 

 Laboratory standards 

Quality and safety are vital for test accuracy and international acceptance of results and must be maintained across all testing sites 

and must be carefully considered in parallel to the subnational expansion and dispersion of testing. Minimum quality and safety 

standards should be defined by the national health authority for each level of the laboratory system and for any testing conducted at 

point-of-care. There are interrelated core components of the laboratory system, covering laboratory quality management, 

information management, regulation, maintenance of infrastructure and equipment, human resources and biosafety, and should be 

coordinated by a single focal point, such as a national laboratory coordinating unit or equivalent, as mentioned above under 

governance and organization. These are essential cross cutting items to be addressed when establishing or expanding the diagnostics 

network for SARS-CoV-2 or other pathogens.  

The health authorities should determine the level of compliance to these standards to license or authorize testing sites. Some 

laboratories performing NAAT may have received accreditation to international standards, such as ISO 15189, ISO 17025. Many 

countries already have minimal quality standards or licensing criteria in place and these regulations should be considered, updated 

if needed and respected by any authorized new testing sites for SARS-CoV-2. Compliance with these standards can be monitored 

by various means such as on-site supervision or inspection, and/or participation in external quality assessment (EQA) schemes. 

WHO recommends national and subnational laboratories performing NAAT for SARS-CoV-2 should enrol in an EQA scheme. 

WHO Country and Regional Offices can facilitate enrollment in a WHO supported scheme for SARS-CoV-2 detection using NAAT 

where such schemes exist. 

 

 



 


Recommendations for national SARS-CoV-2 testing strategies and diagnostic capacities 

-16- 


Annex II – Available guidance and resources 


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