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Start Over You searched for: Subjects Chickenpox -- epidemiology Remove constraint Subjects: Chickenpox -- epidemiology Titles Report on the epidemic small pox and chicken pox: which prevailed in New-York during the last autumn and winter, explanatory of the causes of supposed failures of the vaccine disease Remove constraint Titles: Report on the epidemic small pox and chicken pox: which prevailed in New-York during the last autumn and winter, explanatory of the causes of supposed failures of the vaccine disease

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