All by design. A continued effort to inject people with increasing amounts of graphene.
"Subsequently, in vivo studies indicated damage in the main organs of rats (liver, kidney, lungs, heart, brain and testis) but the possible fast clearance of GNPs through kidney. We also showed that GNPs induced oxidative stress in the liver."
"Therefore, long-term, high dose, and careful selection of administration route using different animal models are crucial before seeking any clinical application of this ‘wonder material’."
https://www.sciencedirect.com/scienc...drial%20damage.