"That’s why we have to disentangle severe disease from symptomatic disease from asymptomatic acquisition and PCR positivity. And those are very, very different pieces. Unfortunately, again, we’ve had no nuance in our overall discussion at the national level, and it has really conflated all of those. We’re using the same word for all of those different things, and and that’s a really bad idea because it leads to fear and concern and confusion."This interview with an epidemiologist explains the confusing Yankees post-vaccine positive tests.