Volta

Self-Collection of Nose and Throat Swab Samples for SARS-CoV-2 Antigen Testing

The emergence of new variants of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has raised questions about the accuracy of currently available rapid antigen detection tests (RADTs) for the detection of these variants using the currently authorized sampling methods. Six Canadian provinces and 2 international jurisdictions have formally recommended people swab both their throat and nose when performing a RADT in response to the emergence of the Omicron variant. The evidence used to support these decisions was not clearly reported. Three pre-print non-peer reviewed publications (1 from Canada, 2 from the Netherlands) were identified regarding the diagnostic accuracy and clinical utility of RADTs using dual nasal and throat self-collected sample for suspected COVID-19. No relevant studies were identified that …

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