Abstract
IN a recent paper (Bol. Of. San. Panamericana, 21, 320 ; 1942), Dr. Wilbur A. Sawyer, director of the Division of International Health, Rockefeller Foundation, New York, discusses the following features of the yellow fever situation in South America: (1) the absence of a definite outbreak of urban yellow fever transmitted by A. œgypti; (2) the absence of yellow fever of any type recognized outside South America; (3) the presence of jungle yellow fever, which takes the form of endemics, or epidemics spread over wide areas of South America. The chief features of control methods consist in weekly inspection of premises for A. œgypti larvæ, destruction of breeding-places and search for other mosquitoes by special squads. While cities may be kept free from infection by A. œgypti control, vaccination is the only measure practicable against jungle yellow fever ; it can be carried out on a large scale and has been found both safe and effective.
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Yellow Fever in the Americas. Nature 150, 176 (1942). https://doi.org/10.1038/150176b0
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DOI: https://doi.org/10.1038/150176b0