Saliva (oral) samples and nasopharyngeal swab samples were obtained from 60 and 54 SARS-CoV-2-positive patients, respectively, who were symptomatic, and their COVID-19 diagnosis was confirmed by ...

In this letter, the investigators report that saliva specimens and nasopharyngeal swab specimens had similar sensitivity in the detection of SARS-CoV-2 RNA in both symptomatic and asymptomatic ...

The nasal, or nasopharyngeal, swab for Covid-19 is a PCR (polymerase chain reaction) test looking for active infection, and remains the most accurate to date to assess for acutely infected ...

The long swab described is a nasopharyngeal swab, which is one of the COVID-19 testing methods recommended by the Centers for Disease Control and Prevention (CDC) in the U.S. ( here ).

Reuters recently debunked similar claims relating to nasopharyngeal swab COVID-19 tests and the blood-brain barrier ( here , here ) . VERDICT False.

Michael Tee, lead researcher for the saliva test, said the new procedure was 98.23-percent accurate compared with the RT-PCR swab test, which had a 99-percent accuracy rate.