Nasopharyngeal Swabs Are More Sensitive Than Oropharyngeal Swabs for COVID-19 Diagnosis and Monitoring the SARS-CoV-2 Load
Detection Principle
NucleicAcid-PCR based
Target
N, ORF1ab
Testing Method Category
WHO method(s)
Testing Method
WHO-1
Testing Method - Additional Info
Detection of SARS-CoV-2 by oropharyngeal swabs (OPS) and nasopharyngeal swabs (NPS) by WHO-1 method
Reported Performance
sensitivity: 98.3% (NPS), 21.1% (OPS)
Sample Size
120 patients
Peer-reviewed
yes
Related methods
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