Tattoo ink alters immune cells and weakens some vaccine responses

[evolves]

9. It can be,

but is not a compulsory component. It can add a more realistic look to reconstruction of the nipple-areolar complex.

In my read, the studies done so far have looked at vaccines administered in the same lymphatic drainage areas as existing tattoos, so it could be as simple as administering a vaccine at an alternate site. Could be problematic for those with large surface area coverage with tattoos.