There isn’t. Former NIH Director Francis Collins and Tony Fauci have both testified to Congress that this evidence doesn’t exist. Scientific American’s Laura Helmuth remains one of the most ridiculous dunderheads in science writing, a journalism adjacent field of writing that many reporters refer to with derision as “scicomm.” Earlier this week, a reader sent me this post on Blue Sky, with Helmuth promoting an article falsely claiming there was evidence to support six-feet social distancing during COVID. https://www.zerohedge.com/political/scientific-americans-laura-helmuth-continues-embarrass-and-humiliate-herself