Confirmatory testing with NAAT
NAAT is considered as the reference standard for diagnosis of SARS-CoV-2 infection. Ag-RDTs are not meant to replace NAAT
but can be implemented as a complementary strategy as there are many that are highly reliable (see
WHO Emergency Use Listing
),
easy to use, and offer rapid turnaround of results. Ag-RDTs can be used where NAAT is not available or where results will be
delayed by more than 48 hours. Ag-RDT uptake is encouraged to expand accessibility of testing and can be considered as follows:
•
In
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