I do take my rather glib comment back, with apologies to the readers here, I know better than that. Indeed, the Hygiene Hypothesis is misused a lot, and which I

I do take my rather glib comment back, with apologies to the readers here, I know better than that. Indeed, the Hygiene Hypothesis is misused a lot, and which I was actively looking up post-comment. It's the reason a lot of people are - erroneously - trying to infect themselves with COVID-19, to prorect themselves from later catching... the very same harmful pathogen. See https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5320962/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5320962/