stupor AE 10042264 YH Stupor is the lack of critical cognitive function and level of consciousness wherein a sufferer is almost entirely unresponsive and only responds to base stimuli such as pain. The word derives from the Latin stupure, meaning insensible. Being characterised by impairments of reactions to external stimuli, in this case, vaccine immunization. SIDER: C0085628 a behavior and neurological AE that has an outcome of stupor HPO: HP_0004372 behavioral and neurological AE