Ramis died early on Monday morning from complications of autoimmune inflammatory disease, he said.
The actor is best known for his roles in comedy movies Ghostbusters and Stripes.
Ramis co-wrote Ghostbusters, in which he appeared alongside Dan Aykroyd and Bill Murray.
He also co-wrote National Lampoon's Animal House and Meatballs and directed such films as Caddyshack and Groundhog Day.
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