The only evidence of admission I could find was they admitted to using graphene during testing to place samples of the vaccine on.

The other evidence for graphene was at least one or more doctors using Raman Spectroscopy and finding it. I'm skeptical of La Quinta Columna's claims of it being 99% graphene since that would be extremely noticeable and would likely not be a clear liquid with low viscosity. https://www.naturalnews.com/2021-07-20-la-quinta-columna-vaccination-vial-graphene-oxide.html

But I gave them the benefit of the doubt that perhaps something was lost in translation.