There is absoutely a non physical origin the world of physical form, yes. Virii are, to my understanding, a manifestation of heartlessness that has ancient origins and we need to heal and balance internally to resolve that, but the understandings needed are not being commonly held and acted on at this point in timing.
When I said he was not on any drugs, I was referring to the list of drugs claimed to be causal in mengingitis - such as steroids and others that are generally pharmaceutical in nature. He certainly did not eat the best food and was not living in a healthy way - which is really what caused his immunity to drop and allowed an opportunity for the disease organisms to take hold in his nervous system.
I do generally agree that diseases that 'medical professsionals' identify are actually symptoms of deeper issues - I just know that the true causal factors are non physical - as you point to here to some extent.