You'd need to know what the change was and reverse it, which is more easily done by building a specific mRNA substance to inject them with. Unfortunately, those data are not publicly available. Not even the doctors and nurses in the places that inject people have them, let alone patients.
One way to understand it is for someone with the appropriate scientific knowledge to remote-view where these data are stored. Another is to commune with a God specialised in this and have them tell you, hopefully without enemy interference.