Good vaccine lymph. An inquiry as to what extent it is desirable to employ heifer vaccination, with details of that method / by John Greene.

  • Greene, John.
Date:
1871
Catalogue details

Licence: Public Domain Mark

Credit: Good vaccine lymph. An inquiry as to what extent it is desirable to employ heifer vaccination, with details of that method / by John Greene. Source: Wellcome Collection.

Provider: This material has been provided by London School of Hygiene & Tropical Medicine Library & Archives Service. The original may be consulted at London School of Hygiene & Tropical Medicine Library & Archives Service.

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    characteristic marks of the genuine pustule. Ano- malies assuming different forms may he excited, according to • the qualities of the virus applied, or to the state of the person inoculated; hut hy far the most frequent variety or deviation from the perfect pustule, is that which arrives at maturity, and finishes its progress' much within the time limited by the true. Here Jenner probably speaks of a well-marked case of deviation, and he points out the direction of the most frequent form, viz.:—a hastened course. Jenner in Further Observations p. 86, speakiug of the quali- ties and action of variolous inoculation, which he is always particular to impress, is analogous in its pheno- menon to cow-pox, says, as well as the perfect change from that state in which variolous matter is capable of producing full and decisive effects on the constitution, to that wherein its specific properties are entirely lost, it may reasonably be supposed that it is capable of undergoing a variety of intermediate changes. and more to the same effect. Again Jenner says, in the Medical and Physical Journal, August, 1804, speak- ing now of cow-pox inoculation,— The vaccine fluid, even in a pustule going through its course perfectly, if taken in its far-advanced stages, is capable of producing varieties, which will be permanent, if we continue to vaccinate from it.'' We do take lymph too late, bearing