File:Practical preventive medicine (1920) (14782917012).jpg

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Identifier: practicalprevent00boyd (find matches)
Title: Practical preventive medicine
Year: 1920 (1920s)
Authors: Boyd, Mark F. (Mark Frederick), 1889-1968
Subjects: Preventive Medicine Public Health
Publisher: Philadelphia and London, W. B. Saunders company
Contributing Library: Columbia University Libraries
Digitizing Sponsor: Open Knowledge Commons

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in 5, 6 and 7 years 4.0 grain 8, 9 and 10 years 6.0 grain 11-14 years 8.0 grain 15 years 10.o grain (b) Prophylactic administration of quinine: The daily admin-istration of 3 grains of quinine will prevent infection from de-veloping. Where employed on a large scale provision musteither be made for its distribution gratis or at a very low charge. (c) Destruction of mosquito breeding places, by: 1. Drainage (Figs. 76, 77). 2. Training of water courses, or by 3. Filling. 192 PRACTICAL PREVENTIVE MEDICINE Attention should be paid to all depressions both natural andartificial, and of either stagnant or running water within onehalf mile radius of the area where control operations are beingprosecuted. The planting of eucalyptus trees in swampy wet areas thatfor one reason or another cannot be drained, has been recom-mended, but their value for this purpose is undetermined.They apparently accelerate the evaporation of the swampwater. (d) Destruction of Mosquito Larvae. Two methods maybe used.
Text Appearing After Image:
Pig. 74.—Oilers at work in marsh. (Gorgas, Sanitation in Panama, Appletons.) i. The application of a thin iridescent film of oil to the sur-face of water areas it is not feasible to drain, at least after everyrain. The oil is either sprayed from knapsack sprays, or fedby drip cans. The latter are only adapted to streams or ditchesconveying running water. Crude oil is best (Figs. 74, 75). 3. Stocking swamps and pools with species of fish that arepredatory upon mosquito larvae. The Public Health Serviceis introducing the employment of the top minnow, Gambusiaaffinis, for this purpose. 2. The application of solutions having a lethal action on thelarvae, such as the Larvacide of Darling. This is prepared DISEASES TRANSMISSIBLE BY INSECTS (93 from crude carbolic acid of a sp. gr. not greater than 0.97 andcontaining not less than 30 per cent, tar acids. One hundred

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Flickr tags
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  • bookid:practicalprevent00boyd
  • bookyear:1920
  • bookdecade:1920
  • bookcentury:1900
  • bookauthor:Boyd__Mark_F___Mark_Frederick___1889_1968
  • booksubject:Preventive_Medicine
  • booksubject:Public_Health
  • bookpublisher:Philadelphia_and_London__W__B__Saunders_company
  • bookcontributor:Columbia_University_Libraries
  • booksponsor:Open_Knowledge_Commons
  • bookleafnumber:189
  • bookcollection:medicalheritagelibrary
  • bookcollection:ColumbiaUniversityLibraries
  • bookcollection:americana
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30 July 2014

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