An account of the varioloid epidemic, which has lately prevailed in Edinburgh and other parts of Scotland : with observations on the identity of chicken-pox with modified small-pox : in a letter to Sir James M'Grigor / by John Thomson.

  • Thomson, John, 1765-1846.
Date:
1824
Catalogue details

Licence: Public Domain Mark

Credit: An account of the varioloid epidemic, which has lately prevailed in Edinburgh and other parts of Scotland : with observations on the identity of chicken-pox with modified small-pox : in a letter to Sir James M'Grigor / by John Thomson. Source: Wellcome Collection.

Provider: This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)

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    whether it would continue such, or become pustu- lar ; sometimes a part only, and not the whole of a vesicular eruption has become pustular, and of the vesicles becoming pustules, comparatively few have exhibited any depressions in their centres. The more or less vesicular or pustular character of the varioloid disease in the vaccinated, has often appeared to me to be influenced by local circum- stances, as well as by the individual constitution of the patients ; for I have repeatedly had occasion to observe the disease exhibit a remarkable simi- larity of character in the same neighbourhood or district, whether it assumed a vesicular or pustular form. In this, as well as in the two preceding varieties, an inflammatory areola has often sur- rounded the vesicles and pustules. In some cases this areola and its pustule have had a remarkable resemblance to the areola and vesicle of cow-pock; and this resemblance has been observed to extend to the period of decay and of scabbing. The junc- tion of several contiguous areolae has often given an erythematous appearance to the surfaces which they occupied. In a small proportion of the vaccinated, the erup- tion has been copious, and has resembled that of coherent rather than of distinct small-pox. Even in the greater number of this variety, the papulae have become vesicular, and have remained such for two or more days before becoming pustular; in a very few the papulae have passed into the state of