On the other hand, after a BNT162b2 booster dose, Schiavoni et al. detected an IFN-γ T-cell specific response in 60% of their SLE patients [57], while Assawasaksakul et al. found it in 94% of them, even though the latter were previously vaccinated with inactivated vaccines [33]. Here, IFNG is linked to systemic lupus erythematosus.