There is and has been a lot of controversy about the Controlyavirus 'vaccines' that are out there. The Spartacus Letter mentioned some fairly nefarious things. Here I have a few references about those.
The CDC does make sure that their article/analysis of the vaccine includes information denying that any Nanotechnology is contained within the Moderna vaccine:
But of course, an alternate view that may imply otherwise:
Damning Evidence of Self-Assembling Wireless Nanosensor Networks using Graphene Quantum Dots, Nanorouters, Nanoantennas Found by Dr. Pablo Campra in 4 COVID Vaccines Revealed by Researcher Mik Anderson/Corona2Inspect
And a NIH article on Graphene Oxide:
But wait, there's more! Let's not forget how full of shit these asshats have been, here Moderna claims the vaccine is one hundred percent effective: