Slowly the science establishment also gets the idea of a brain microbiome, through this conference paper:
594.08 / YY23 - The human brain microbiome; there are bacteria in our brains!
https://abstractsonline.com/pp8/#!/4649 ... tion/32057
Science: Do gut bacteria make a second home in our brains?
https://www.sciencemag.org/news/2018/11 ... our-brains
Nature:
https://www.nature.com/articles/d41586-018-07416-8
Daily briefing: Hints of a microbiome in the brain
That should be enough to get people asking about the innate immune system, no?