Volume 1

History and pathology of vaccination / by Edgar M. Crookshank.

  • Crookshank, Edgar M. (Edgar March), 1858-1928.
Date:
1889
Catalogue details

Licence: Public Domain Mark

Credit: History and pathology of vaccination / by Edgar M. Crookshank. Source: Wellcome Collection.

Provider: This material has been provided by The University of Glasgow Library. The original may be consulted at The University of Glasgow Library.

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    similar experiences. Estlin has fully described the results which followed from the use of lymph recently derived from the ccnv, and Ceely also met with similar accidents. In speaking of Small Pox inoculation, I have referred to the differences which resulted from taking lymph at difierent i^eriods ; and there can be no question that the same laws which ap|)ly to Small Fox inocu- lation, apply also to Cow Pox inoculation. Cow Pox lymph taken at a late stage will tend on some sub- jects to revert to its original virulency, or, as Rousquet calls it, sauvagcrie. just as .Small Pox lymph taken at a late period and ingraft(:;d on a suitable soil may induce, not a transient papule or a benign vesicle, but an attack of continent .Small Pox. I have already stated that Auzias Turenne was the first to ])oint out that Cow Pox is analogous to syphilis; but even the earliest opponents of vaccination regarded the disease as lues Iwvilla, and it had even been suggested that the cow had derived the com- plaint from milkers who were affected with syphilis. There is no more ground for believing in the latter theory than there is for believing that Cow Pox is ])roduced by milkers suffering from Small Pox. It is the course which the malady runs which brings it so closely into relation with syphilis ; and I find that in Plorse Pox, the parallel is still closer, inasmuch as Horse Pox is transmitted by coition. In this country,