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The discussion of the claims of inoculation with the attenuated virus of yellow fever for the prevention of this disease or the mitigation of the access, should it be developed, resolves itself now into a consideration of facts. No further argument in regard to the principle upon which inoculation is based seems requisite for the proper understanding of the data which have accumulated illustrating its results. The only question likely to be made is respecting the correctness of the statistics and the trustworthiness of the reporter. But observing the rules which ordinarily determine the value of evidence it will be seen that quite a number of witnesses corroborate the statements of the original experiments. If the observations made and recorded by different individuals at different times and different localities, coincide in the points which substantiate the efficacy of yellow fever inoculation, no reasoning as to the theory of propagation, can
GASTON JM. FACT VS. FICTION TOUCHING YELLOW FEVER INOCULATION, WITH A RECORD OF RESULTS WELL AUTHENTICATED.. JAMA. 1890;XIV(12):413-416. doi:10.1001/jama.1890.02410120017001e