In 1807, the Government in Canada urged the leaders of the Five Nations to join with them in a medical revolution.
On November 8th, 1807, at Fort George in Upper Canada, leaders of Canada’s indigenous peoples were presented with an information pack explaining the newly developed science of vaccination, written by pioneering epidemiologist Edward Jenner. It was William Claus (1765-1826), Deputy Superintendent-General of Indian Affairs, who spoke for Jenner.