Last summer at the Mount Vernon Insane Hospital, the hospital for colored insane in Alabama, there appeared a few cases of a disease which had been noticed every summer since the patients had been moved there from Tuscaloosa in 1901. Some three or four cases of this disease would occur during each summer and they usually proved fatal. The true nature of the disease was not recognized, and in most instances it was supposed to be a condition of general debility.
Early last fall these cases became very numerous, and it was recognized that the disease was epidemic. At the request of the superintendent I went to Mount Vernon to assist the physicians there in studying and controlling the disease. With the assistance of Drs. McCaferty and Somerville, of Mount Vernon, and of Dr. Dyer, of New Orleans, I believe I have worked out the true nature of the disease,
SEARCY GH. AN EPIDEMIC OF ACUTE PELLAGRA.. JAMA. 1907;XLIX(1):37–38. doi:10.1001/jama.1907.25320010037002j