Polymerase chain reaction (PCR) and rapid (antigen) tests for COVID-19 both involve taking a swab. Results for a PCR test take longer, as it needs to go to a laboratory. It is more costly but tends to ...
FDA-authorized test for home use is the most affordable PCR-quality rapid test on the market and at least 50 times more sensitive than leading rapid antigen tests Detect’s FDA authorized PCR-quality ...
It’s best to test for RSV soon after your symptoms start. That’s because you’ll likely have the most virus in your system then. As you get better, the amount of virus will go down. (Photo Credit: ...