anterior nasal swab - HUACHENGYANG

The flocked swab is a kind of disposable sampling swab composed of nylon short fiber lint head and ABS plastic rod, which has a big difference in the production process and performance.

At present, the more accurate COVID-19 testing uses RT-PCR to evaluate whether there is SAR-CoV-2 RNA in the collected samples. It is almost certain that the subject is infected with the virus if there is.  In addition to the flocking or...