In vitro studies reported that FcγRIIa (CD32a) and FcγRI (CD64) mediate ADE in primary monocytes [13], while FcγRIIa and FcγRIIIa (CD16a) were shown to promote ADE in U937 promonocytic cell line [14]. Here, FCGR1A is linked to acute disseminated encephalomyelitis.