No abstract available
MeSH terms
-
COVID-19 / diagnosis*
-
COVID-19 Nucleic Acid Testing / methods*
-
Humans
-
Nasopharynx / virology
-
RNA, Viral / analysis*
-
Reverse Transcriptase Polymerase Chain Reaction / methods*
-
SARS-CoV-2 / chemistry
-
Sensitivity and Specificity
-
Specimen Handling / methods*