“…In 74% of cases, there had been an infectious disease in the medical history of a patient a month before the onset of neurological disorders [5][6][7][8]. The following infections may be the triggering factors for ADEM: Viral factors (measles, rubella, mumps, parainfluenza viruses [9][10][11][12], hepatitis, influenza A and B [13,14], whooping cough, tetanus [3,15], Epstein-Barr virus, cytomegalovirus [16] and bacterial factors (Mycoplasma pneumoniae [17][18][19][20][21], Campylobacter [22][23][24], Borrelia Burgdogferi [4,25], Leptospira, Chlamydia, Legionella, Bhemolytic streptococcus group A [26 -28]. However, in most cases there is evidence of a nonspecific upper respiratory tract infection and there is no serologic evidence of pathogen [4,29,30].…”