An explanation of the causes why vaccination has sometimes failed to prevent small pox : and also a description of a method, confirmed by experience, of obviating such causes / by Edward Leese.

  • Leese, Edward.
Date:
1836
Catalogue details

Licence: Public Domain Mark

Credit: An explanation of the causes why vaccination has sometimes failed to prevent small pox : and also a description of a method, confirmed by experience, of obviating such causes / by Edward Leese. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

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    caused it often to be very negligently prac- ticed; many who attempted it, have com- plained loudly of their frequent disappoint- ments in producing any effect, and that some of their patients have had small pox subsequently; the first may have been caused by the virus having lost some of the properties it originally possessed, in con- sequence of having been kept too long upon steel, glass, or ivory; or by too much blood having escaped when it was applied; other Surgeons, particularly those dis- charging duties at public institutions, from having always fluid virus, fail but seldom; and their patients resist the variolous infection. — We are much annoyed at theGovernment Stations by irregularity in the after attend- ance of those who apply to us, many do not appear a second time for us to correct or amend, what may happen to be pro- ceeding imperfectly; in these therefore I make at one time several punctures in each arm ; but with regard to my private patients on whom I can call and inspect the progress, I proceed somewhat differ- ently, and adopt what I think to be a
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