j8o Vaccine Inoculatmi. 



celebrated hitherto known. This vinegar may be earned to 

 any country, and will keep anv tin»e without fear of alteration. 

 It poirellet; alfo another advantage, which is, that it cofts 

 only half as much as that known under the name of Marlle, 



D, 



XXIX. Inielligence and Mifcellaneous ArlicleSi 



VACCINE INOCULATION, 



Dr. FEarfons fccond and lajl Evidence^ 



Mercurii, 14 Aprilis, 1802. 



Admiral Bekkelev in the Chair. 



R. PEARSON was called in and examined, and ftatecf, 

 that Dr. Heberden * authorized him to I'tate, on the authority 

 of Dr. Lind, and Mr. Battifcomhe of Windfor, that there is 

 now living near Windfor a perfon (the fon of an apothecary j) 

 who many vcars ago was inoculated for ihe cow-pox. 



Did Dr. Heberden inform you whether this inoculation 

 was performed from one human being to another, or from 

 the virus taken immediately from the cow? 



A. This is a queftion I cannot anfwer. 



What further facts do you know afiecling Dr. jenner's 

 daim of beino- the promulgator, or inventor ot vaccine in- 

 oculation ? 



A. I have admitted Dr. Jenner vvas the gentleman who 

 firll fet on foot the inquiry into the advantages of the vaccine 

 inoculation ; but I apprehend that the praftice of vaccine in- 

 oculation, which was fird promulgated by Dr. Jenner, has 

 been e(ial)!ilhed almoft entirely by other pra6litioners, and that 

 his new fatts, or what I confider to be new, have been, in 

 my opinion, difprovcd by lubfequent obfcrvers j and that in 

 confeqiience of thofe fafts being dii'proved, together with the 

 verv extcnfive experience of other perfons, we owe the pre- 

 ftnt practice of the vaccine inoculation. 



Will you inform the committee w ho thofe pradlitioncrs 

 arid perfons were to whom you refer ? 



A. The cow -pock inoculation, after Dr. Jenner's book was 

 publiflicd in M.w or June 1798, which contained feven or 

 eight cafes, (the whole refult of his experience,) was not 

 praclifed by any pcrlbn, th^t I know of, till January 1799; 

 neither Dr. Jenner, nor any other perfon that I could find, 

 being in pofleflion of matter: but in January 1799, ^" coii- 



; '■* See Dr. Hebcrdcn's Evidence, aaiicxed to this of Dr. Tenrron. 



fequence 



