"Virologists are essentially ghost hunters. Actually, I shouldn't be rude, ghost hunters probably have more evidence for their craft than virologists."

Well...now that you say that ....
Dark age and superstitious religion believe in invisible evil spirits floating around causing disease....
So really , the "currently accepted germ theory" is that belief recast, respun and resold in a guise of science....and the people believing science is truth, can't see how religion has been peddled to us wearing yet another mask