Grey Fever was a fatal disease that often struck travelers who dared to explore the dark recesses of the Grey Jungle in east Zakhara.[1]

Unless a skilled healer or cleric was on hand, anyone afflicted with this disease usually died quickly before they could escape the boundaries of the jungle and seek medical attention.[1]

The origins and cause of this disease were unknown.[1]



  1. 1.0 1.1 1.2 Steve Kurtz (1994). Al-Qadim: Cities of Bone: Campaign Guide. (TSR, Inc), p. 16. ISBN 1-56076-847.

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