I do not know a lot about bacterial meningitis, but I don't believe that it actually passes through the barrier. Meningitis is caused by the inflammation of a m

I do not know a lot about bacterial meningitis, but I don't believe that it actually passes through the barrier. Meningitis is caused by the inflammation of a membrane that the brain and spinal chord are encased within [1]. So it might be causing the membrane to become enflamed from the outward facing surface. [1] https://www.healthline.com/health/bacterial-meningitis-causes-and-how-they-re-spread#pictures https://www.healthline.com/health/bacterial-meningitis-cause...