Notes on sensitivity of rapid Ag tests for what matters: detecting infectious ppl
Sensitivity:
- Highly infectious (ie superspreader levels): >99%
- Moderately infectious (ie infect 2 or 3 ppl in a classroom): 90-95%
- Mildly infectious (ie spread to spouse only) ~80-90%
1/
This Graph of viral load over time helps to explain this sensitivity issue:
Further, symptoms vs no symptoms has no impact on test performance. Studies that say it does are not recognizing the sampling bias that enters their studies.
3/
And here is critical data demonstrating sensitivity in multiple rapid tests to detect infectious virus
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