It seems right now we're at 10-15% positivity on PCR. And I think that probably maps onto society... So there's a vague guess how many will test positive with P

It seems right now we're at 10-15% positivity on PCR. And I think that probably maps onto society... So there's a vague guess how many will test positive with PCR. Unfortunately a PCR result at a 35 cycle threshold (which the vast majority of tests in the U.S. are) does not prove that a person was infected and has immunity, only that there was exposure that is detectable. It may never even have entered the bloodstream. Only antibody testing will show if there was a immune response and if there is immune memory. We're not doing that at scale.