Licence: Public Domain Mark
Credit: The hygiene of the infectious fevers / by J.W. Miller. Source: Wellcome Collection.
Provider: This material has been provided by The University of Glasgow Library. The original may be consulted at The University of Glasgow Library.
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![Periods of Incubation, Cholera. Authorities. 2 to 3 days, exceptionally 1 to 2 days. Average does not exceed 1 week, though one or two weeks is by no means rare ; a longer time is excep- tional, Lebert, Ziemssen's Cyclopaedia, vol. i. p. 397. Goodeve, Reynolds's System of Med., vol. i. p. 139. Bristowe, Treatise on Theory and Pract. of Med., vol. i. p. 233. 2 to 3 days or less, A few hours to 3 days, Smallpox. 10 to 13 days ; extremes, 5 to 14 > Curschmann, Ziemssen's Cycl., vol. ii. days, i p. 341. TO J i Marson, Reynolds's Syst. of Med., vol. ■^■^ ^^y^'1 i. p. 434. 7 to 8 days (inoculated), . . . Bristowe, op. cit., p. 164. ( Gregory, Geo , M.D., physician to 12 or 14 days (counting to erup- } Smallpox Hospital, 1832, quoted tion),^ . . . . .S by Squire—Furtlier Remarks on the ( Period of Infection, etc., 1876, p. 1. 11 days in one case, 13 days in J ^jg^^jj^^ - another, Enteric Fever. 10 to 14 days (sometimes imme-) Budd, Dr W., quoted hy Tanner, diate), J Pract. of Med., vol. i. p. 244. Average, 21 days ; extremes, 2 to 4 ) Lieberineister, Ziemssen's Cycl, vol. i. weeks, . . . . . . J p. 56. Most commonly about 2 weeks;),, w i- n i- may be more or less, and may be ( Miirchison, Treatue on Contin. Fev., p. so short as 1 or 2 days, . . . ) May be shorter than 14 days, and ) tt ■,, as long as 24 days (4 reiitnis),. _ |liaaaon. 10 or 12 days, and may be only 4, . Squire, Period of Infection, etc., p. 41. Typhus Fever. 12 days, frequently shorter, rarelv ) , . longer ... . , ( Murchison, qp ci<., p. 91. 5 to 14 days—extreme, 21 days, or ) ^ . even more, . ... . j Bristowe, op. cif., p. 182. 1 or 2 to 12 days, .... Tanner, op. cii., vol. i. p. 230. 5 to 7 days, or even 1 day, . , Lebert, Zie;?^^^^ Ci/cZo., vol. i. p 308. Scarlatina. , . , • , - t A few hours to 10 days, . . \ Aitken, Science and Pract. oj Med., ^ ' \ 4th ed., vol. i. p. 337. Probably less tlian one week ; may be ) Gee, Rey7iolds's Syst. of Med., vol. i. no more than 24 hours, . . .| p. 334. G to 8 days, rarely longer, often shorter, ) ^ . even 1 day, . . . . .] Bristowe, op. cit., p. 155. * Dr Squire f Hows Dr Gregory in including the period of invasion in the period of incubation. This is somewhat apt to cause confusion, for most authors limit it to what is otherwise called the latent period. Thomas, Ziemssen's Cyclop., vol. ii. p. 57, speaking of measles, says that it should be held to terminate with the commencement of the fever.](https://iiif.wellcomecollection.org/image/b21466932_0014.jp2/full/800%2C/0/default.jpg)