A whole week of research? That's dedication. Your friend should definitely share this info with the slacker scientists who have devoted their entire careers to this virus and never managed to stumble upon the magical vitamin C solution.
ok I know questioning the crazy is fruitless. But. Do they not realize their week of *research* pales in comparison to actual researchers? Like... a week is not impressive.
She is probably already having her kids prepare a poster board about this for the home school science fair.