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I can not believe that there are many physicians who any longer entertain a doubt as to the genuineness of the mild smallpox that has prevailed to so general an extent during the past two years. The many valuable papers on this subject recently printed in The Journal should convince even Dr. Happel, whom we may honor as the leader of the doubters, and whose papers have no doubt led many inexperienced physicians into error.
Having served for eleven years as Health Officer of Wheeling, and observed several hundred cases of smallpox of every possible variety, and through a period of nearly thirty years, I wish to give my opinion, in the most emphatic way possible, that our recent smallpox, of which this city has had about eighty cases, was no new disease. In every outbreak of smallpox extremely mild cases occur, cases that are atypical and calculated to deceive
JEPSON SL. NOTES ON SMALLPOX.. JAMA. 1901;XXXVII(24):1608–1609. doi:10.1001/jama.1901.62470500036002n