Harold Ramis and Autoimmune Inflammatory Vasculitis

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(KTVI) - Actor, writer and Washington University grad Harold Ramis died Monday in Chicago at the age of 69.   His films include "Animal House,"  "Ghost Busters," "Groundhog Day, " "Caddy Shack" and the list goes on.

Ramis' death was caused by complications related to Autoimmune Inflammatory Vasculitis.

Dr. Michael Lim from Saint Louis University Hospital explains that condition.