4 ms·
PCR test amplifies whatever was swabbed, usually from the nose (an air filter). A positive result does not prove there is an infection.
by landemva 4y ago
PCR test amplifies whatever was swabbed, usually from the nose (an air filter). A positive result does not prove there is an infection.
- logifail 4y agoOur state-run testing facility always did PCR tests using a throat swab, and since I was the one who drew the short straw and took each of our kids there for mandatory tests, I've observed this being done a couple of dozen times over the last three years.