A continuation of facts and observations relative to the variolae vaccinae, or cow pox / by Edward Jenner.

  • Edward Jenner
Date:
1800
Catalogue details

Licence: Public Domain Mark

Credit: A continuation of facts and observations relative to the variolae vaccinae, or cow pox / by Edward Jenner. Source: Wellcome Collection.

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    many more might be added were it deemed neceffary; but among the Cafes I refer to, one will be found of a perfon who had the Cow Pox fifty-three years before the effeCt of the Small Pox was tried upon him. As he completely refilled it, the intervening period I conceive mull neceffarily fatisfy any reafon- able mind. Should further evidence be thought necefifary, I (hall obferve that among the Cafes prefented to me by Mr. Fry, Mr. Darke, Mr. Tierny, Mr. H. Jenner, and others, there were many whom they inoculated ineffectually with variolous matter, who had gone through the Cow Pox many years before this trial was made. It has been imagined that the Cow Pox is capable of being communicated from one perfon to another by effluvia without the intervention of inoculation.' My experiments, made with the defign of afeertaining this important point, all tend to eftablifti my original pofition, that it is not infectious, except by contaCl. I have never hefitated to fuffer thofe on whofe arms there were puflules exhaling the effluvia, from affociating or even fleeping with others who never had experienced either the Cow E Pox
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