30Dr. Kinnis, formerly Superintendent of Vaccination at Colombo, in his "Report on Smallpox as it appeared at Ceylon in 1833-4," and in an appendix relating to observation made by Dr. Forbes in the epidemic of 1830, gives enumerations from which the annexed table is compiled. It will be observed that the gradation of death rates marked in the last column, though far less detailed than in Mr. Marson's statement, is to the same general effect. And in the cases noticed by Dr. Kinnis himself the difference is further developed; for he distinguished persons pretending to have been vaccinated into such as had no marks, and such as had unsatisfactory marks of vaccination, and found that the death rate of the latter was 26⅓, that of the former 32 1-7. Cases of chickenpox are not included in the annexed table, and Dr. Kinnis gives at length (pp. 10-14) his reasons
FOSTER E. THE STATISTIC EVIDENCES OF THE VALUE OF VACCINATION TO THE HUMAN RACE, PAST, PRESENT AND FUTURE. JAMA. 1896;XXVII(15):808–811. doi:10.1001/jama.1896.02430930028002h
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