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OF THE VACCINE OR COW-POX.

"IX. That it is admitted by the Committee, that a few casesha been brought before them of persons having the small-poxwho had apparently passed through the cow-pox in a regular way.

"X. That cases, supported by evidence equally strong, have beenalso brought before them, of persons who, after having once regu-larly passed through the small-pox, either by inoculation or naturalinfection, have had the disease a second time.

" XL That in many cases, in which the small-pox has occurreda econd time, after inoculation on the natural disease, such recur-rences has been particularly severe, and often fatal; whereas, whenit has ppeared to occur after vaccination, the diseise has generallybeen so mild, as to lose some of its characteristic marks, and evensometimes to render its existence doubtful,

"XII. That it is a fact well ascertained, that, in some particularstates of certain constitutions, whether vaccine or variolous matterbe employed, a local disease will only be excited by inoculation, theconstitution remaining unaffected; yet that matter taken from such'ocal vaccine or variolous pustule is capable of producing a genera!and perfect disease.

"XIII. That if a person bearing the strongest and most indubi-table marks of having had the small-pox be repeatedly inoculatedfor that disease, a pustule may be produced, th matter of whichwill communicate the disease to those who have not been previouslyinfected.

"XIV. That, although it is difficult to determine precisely thenumber of exceptions to the practice, the Medical Council are fullyconvinced that the failure of vaccination, as a preventive of thesmall-pox, is a very rare occurrence

" XV. That of the immense number who have been vaccinatedin the Army and Navy, in different parts of the United Kingdom,and in every quarter of the Globe, scarcely any instances of suchfailure have been reported to the Committee, but those which are saidto have occurred in the metropolis or its vicinity.

"XVII. That the Medical Council are fully assured, that in verymany places, >n which the small-pox raged with great violence, thedisease has been speedily and effectually arrested in its progress, andin some populous cities wholly exterminated, by the practice of vac-cination.

"XVII. That the practice of inoculation for the small-pox, onits first'introduction into this country, was opposed and very muchretarded, in consequence of misrepresentations and arguments drawnfrom assumed facts, and of miscarriages arising from the want ofcorrect information, similar to those aow brought forward againstvaccination, so that nearly fifty years elapsed before small-pox ino-culation was fully established.

" XVIII. That, by a reference to the bills of mortality, it will ap-

oear that, to the unfortunate neglect of vaccination, and to the pre-

udices raised aginst it, we may, in a great measure, attribute the

oss of nearly two thousand lives by the small-pox, in this metropo-

.« alone, within the present year.