NLM Digital Collections

An essay on contagions & infections: and their laws of generation & communication, by which they are respectively governed, and thence properly to be distinguished : designed, as the continuation of the remarks, in an "Essay, on the prevailing fever of 1817" : together with a syllabus, and classification, with practical remarks on the origin of contagions and infections : to which, are added, hints and directions, to the best means for preventing the extension of contagious & infectious diseases