Nope, that is exactly what they are saying. It really is 10% false positive. They tested 128 negative blood samples and got a positive result for 12 of them. Th

Nope, that is exactly what they are saying. It really is 10% false positive. They tested 128 negative blood samples and got a positive result for 12 of them. There is a frequency table at the end of their paper (0). So I guess you are right that if you sample a population of 1000 people (and only 1 actually sick) you would get 100 positive results, and 88% chance of detecting the one person who is actually sick. [0] https://rapidward.com/assets/downloads/Li_et_al-2020-Journal_of_Medical_Virology.pdf https://rapidward.com/assets/downloads/Li_et_al-2020-Journal...