Persian Gulf War Illness Compensation Act of 2001

Persian Gulf War Illness Compensation Act of 2001 - Amends a veterans' benefits program of compensation for disabilities occurring in veterans of the Persian Gulf War to: (1) require such disabilities, to be compensable, to occur before December 31, 2011, or such later date as prescribed by the Secretary of Veterans Affairs; (2) define an "undiagnosed illness" in such veterans as one manifested by specified symptoms or signs the cause, etiology, or origin of which cannot be specifically and definitely identified; and (3) include an undiagnosed illness having such a symptom or sign within the presumption of being service-connected and therefore treatable as a service-connected disability.