An appendix to the Popular summary of vaccination : comprising experiments with small pox virus upon the cow, and further remarks on the practice of cow pox / by John Marshall.

  • Marshall John M.R.C.S fl., 1800-1830.
Date:
1831
Catalogue details

Licence: Public Domain Mark

Credit: An appendix to the Popular summary of vaccination : comprising experiments with small pox virus upon the cow, and further remarks on the practice of cow pox / by John Marshall. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

    5/40 (page 5)
    scale, with far greater facility, among the herds of liberal graziers of our dairy counties, than the fastidious herdsmen of London. This hint is given with a sincere wish that it may be the means of stimulating some gentlemen of the faculty, residing in the country, who may have perchance perused this friendly challenge, since they must be fully aware of the state of doubt in which the question is left, which evidently forms a physiological desideratum. By way of concluding this address, I embrace this opportunity of recording a singular, and perhaps novel reality, which has been lately made to me by an all-talented physician. That all persons of both sexes, who are freely pitted with the sinall-pox, generally pos- sess, e consequentia, a pallid complexion (with the occasional excep- tion of free livers). This extraordinary phenomenon is ascribable to severe inflammation, which vents its force upofr the features pending the disease, and by thus obliterating the faciei cutaneous colouring vessels. Such an alteration, however, of the countenance but rarely occurs when small-pox succeeds non-efficient vaccination. The merits of vaccine have been simply elucidated by practical documents throughout my studies, and wholly divested of theoretical reasoning. SECTION I. The origin of Cow-pox considered.—Description of the genuine vaccine purple Scab upon the teats of the Cow.—Intelligence from Egypt, France, Scotland and England, relative to inoculating the Cow with Small-pox matter—Eleven quadrupeds vaccinated at Utrecht, and similar operations upon Coivs in the British empire. ••It is readily admitted that in all branches of scientific inquiry, the labours of an experimentalist, whether for or against the subject of pursuit, may, peradventure, contribute to aid the cause, since nega- tive are equal to positive proofs, and may be the means of stimulat-