Dana, thanks for the reply. You’ve said two things that appear contradictory: 1. This test is only 50% accurate at the beginning or end of the disease.
2. Asymptomatic and Presymptomatic tests would be able to detect them at that stage.

But #2 is #1. How are Presymptomatic (at the beginning of the disease and not presenting) and Asymptomatic people (who may be at the beginning of the disease and not presenting) both able to be accurately detected… and also only 50% accurate in detection? Thanks.

Silicon Valley Tech Exec: Cloud, Data Storage, Automation. Author of fascinating articles about history, tech trends, andpop culture. Blog: http://billpetro.com

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