Letters on the Cholera Morbus. Containing ample evidence that this disease, under whatever name known, cannot be transmitted from the persons of those labouring under it to other individuals, by contact—through the medium of inanimate substances—or through the medium of the atmosphere; and that all restrictions, by cordons and quarantine regulations, are, as far as regards this disease, not merely useless, but highly injurious to the community. · 第 34 / 34 题