A history of the variolous epidemic which occurred in Norwich, in the year 1819, and destroyed 530 individuals : with an estimate of the protection afforded by vaccination, and a review of past and present opinions upon chicken-pox and modified smallpox / By John Cross.

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A history of the variolous epidemic which occurred in Norwich, in the year 1819, and destroyed 530 individuals : with an estimate of the protection afforded by vaccination, and a review of past and present opinions upon chicken-pox and modified smallpox / By John Cross. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by the Harvey Cushing/John Hay Whitney Medical Library at Yale University, through the Medical Heritage Library. The original may be consulted at the Harvey Cushing/John Hay Whitney Medical Library at Yale University.