Swab Nose, Throat, or Both for COVID-19 Rapid Tests?

Rapid antigen tests for COVID-19 come with instructions to swab the nose only. Would adding a throat sample boost the accuracy?

Swab Nose, Throat, or Both for COVID-19 Rapid Tests?
covid 19 testing one otherphoto of throat swab tes

Rapid antigen tests for COVID-19 come with instructions to swab the nose only. Would adding a throat sample boost the accuracy?