At Atlantic City one year ago I reported my experience with 300 cases of pseudo, or modified smallpox (?) This report was made from a personal, bedside study of these cases in all stages of this disease. I presented statistics showing that in some cases not one of the family escaped; in others, only one or two members of a large family showed any signs of the disease; and in others but one case in a large family, even though the members of the family came in daily contact with the disease. It was further shown that the disease lacked many of the distinctive features of true smallpox. Of the 300 cases seen by me, the ordinary fever, or the fever of invasion, was, in a large majority of cases, slight; the headache, backache and other symptoms were often severe, but the gravity of these prodromata were not always in a
HAPPEL TJ. A FURTHER STUDY OF PSEUDO, OR MODIFIED SMALLPOX (?). JAMA. 1901;XXXVII(5):295–298. doi:10.1001/jama.1901.62470310001001
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