Publisher's Synopsis
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1888 edition. Excerpt: ... EPIDEMIOLOGICAL ASPECTS OF YELLOW FEVER. Description of Yellow Fever.--Man or Animals subject to Yellow Fever the only Reagents for the presence and activity of its exciting cause.--The appearance of cases in a defined locality evidence only of the cause being in operation there, but not of its nature.--Gases of Yelloiv Fever imported into a healthy locality do not communicate the Disease.--When the Disease does spread after importation, the influence of a local cause requires to be excluded before it can be shown that the Disease was communicated bythe Sick introduced.--Instances of" Isis"and "Bristol" at Sierra Leone, of "Brilliant" at Grenada, and of " Anne Marie" at St. Nazaire, examined.--Importations of YellowFever cases, alternating with outbreaks from local causes, at Military Hospital, Barbadoes.--Sesult of excluding the night air there.--Ships, and localities on land, acquire the power of exciting Yellow Fever without having received any one sick of that Disease, and even where it is not knownto bepresent.--Instances of the " Susquehanna," and" Orion," andBermuda in its various Epidemics.--Also Lisbon in 1856-57.--The potential factor seems to be diffused in a form which does not cause Yellow lever in persons exposed to it, and it is only after it undergoes further development in a foul bilge, or in a damp spot on shore, that it becomes capable of exciting that Disease. Though the literature of yellow fever be very extensive, and highly controversial, the questions discussed in it are but few, the chief being whether it be a highly contagious disease, propagated from man to man, and always imported from some locality where it was already in existence to that in which it newly appears, or, whether it be dependent on causes...
