One Piece Virus King

Traveling to the world of One Piece, I got a virus king system. What? Is it a piece of cake to transform the body with mutated viruses? Isn't that a big deal with Superman's body? What? Powerful virus decomposes Devil Fruit easily? Is the ability of microbial pathogens to replicate fruits even more easily? What? Can you also create your own viral DNA blood bank? Can the ancestor DNA of Majin Buu and Kaguya Otsutsuki be created? What? The reason why Devil Fruits eat powerful beings is because they contain beings that change their DNA? Does Oda know this setting? But the way this virus is cultivated is really a bit... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.