The Last American Vagabond does a great job to pulling important information like this together. Below, I post several articles that discuss the use of microneedle skin patches to administer vaccines and medical information via invisible “quantum dot dye, which can be read using a specially adapted smartphone. If you allow it, you will be branded like cattle.
https://healthcare-in-europe.com/en/news/nano-patch-stores-medical-information-under-the-skin.html
https://www.sciencedirect.com/science/article/pii/B978032339981400018X