
Short Wave We Need More Coronavirus Testing. Are Antigen Tests The Answer?
May 11, 2020
Rob Stein, NPR health correspondent, unpacks the crucial differences between diagnostic, antibody, and antigen tests for COVID-19. He discusses the growing reliance on antigen testing as a fast and affordable solution amidst rising infection rates. Stein highlights the challenges of reliability in various testing methods and emphasizes the importance of innovative diagnostics. The conversation focuses on improving testing capabilities to safeguard public health and highlights state testing performance as a key factor in managing the pandemic.
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Testing Importance
- Widespread testing is crucial for safe reopening and outbreak prevention.
- More tests are needed to identify infections and facilitate safe returns to work and travel.
Antigen Test Advantages
- Antigen tests, recently FDA-approved, detect viral proteins (antigens), not genetic material.
- These tests are cheaper, faster, and potentially key to expanding testing capacity.
Diagnostic Test Overview
- PCR diagnostic tests are reliable but can take time due to backlogs or supply shortages.
- Rapid genetic tests like Abbott Labs' offer faster results, but their accuracy has been questioned.

