The mode of infection and duration of the infectious period in scarlet fever / by Charles V. Chapin.

  • Chapin, Charles V. (Charles Value), 1856-1941.
Date:
1909
Catalogue details

Licence: Public Domain Mark

Credit: The mode of infection and duration of the infectious period in scarlet fever / by Charles V. Chapin. Source: Wellcome Collection.

Provider: This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.

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    conditions are sometimes noticeable in a few hours. This has particularly been the case in those laboratory infections where the moment of implantation was known, and where the symptoms were carefully watched. According to most observers the incubation of scarlet fever is usually short, in most instances a few days only. A committee of the Boston Society of Medical Improve- ment, appointed to consider the subject, reported (o) that the period of incubation in scarlet fever is as a rule two or three days, but may be extended to eight days, and possibly twenty (McCollom). Reference is made by the above committee to Murchison (4) who collected reports of 75 cases in which the period of incubation in 73 could not have been over 5 days, in 54 it could not have been over 4 days, in 20 not over 3 days, in 15 not over 2 days, and in three instances it could not have exceeded 24 hours. The committee quote from a dozen or more writers whose observations and opinions are in entire accord with Murchison's. Thus Reimer found that in two thirds of 3,624 cases the disease developed within the first three days after exposure. The writer's experience has led him to concur in the conclusions as stated above, that is, that the period of incubation is usually only a few days, and that it may be only a few hours. This conclusion is based upon First; the time when secondary cases develop in the family. Second; the time when other families in the