Debate in the House of Commons (Wed., July 2, 1806), on a motion, made by Lord H. Petty, in order to remove existing prejudices and doubts relative to vaccination.

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Debate in the House of Commons (Wed., July 2, 1806), on a motion, made by Lord H. Petty, in order to remove existing prejudices and doubts relative to vaccination. Public Domain Mark. Source: Wellcome Collection.