This test detect the virus. It’s used when a patient has active symptoms. Although many countries now requested for travel purposes.
This test detects lgG antibodies produced by the body once infected with Covid 19.
It’s mandatory to perform two Covid-19 tests after international travel. You’re required to perform a test on or before day 2 for variant surveillance and another test on or after day 8 of your quarantine to check you do not have coronavirus.