"if Brilicidian gets FDA approval for Fungal infections does that mean B is approved across the board?"
I cannot emphasise enough that speculating in penny stock would-be biotechs requires at least a minimum of knowledge about pharmaceuticals and the space they operate within.
To fail to do even a bare minimum of due diligence is a sure recipe for penury, as the experience of so many with IPIX has demonstrated so vividly, to their and their families' cost.