There's a chance that your COVID-19 PCR test could return a false-negative result. This means that the test didn't detect the virus, even though you actually are infected with it. You risk unknowingly spreading the virus to others if you don't take proper precautions, such as following social distancing guidelines and wearing a face mask when appropriate. There's also a chance that a COVID-19 rapid PCR test can produce false-positive results — indicating an infection when actually there isn't one — if instruction... read full review »