e/Mass Psychogenic Illness

Information
has gloss	eng: Mass Psychogenic Illness (MPI), also called Mass Sociogenic Illness, is “the rapid spread of illness signs and symptoms affecting members of a cohesive group, originating from a nervous system disturbance involving excitation, loss or alteration of function, whereby physical complaints that are exhibited unconsciously have no corresponding organic aetiology.” MPI is distinct from collective delusion, also included under the blanket terms of mass hysteria or epidemic hysteria, in that mass psychogenic illness actually causes physical symptoms, though there is no organic cause.
lexicalization	eng: Mass psychogenic illness
instance of	c/Group processes