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Bulletin of the World Health Organization : 1969; Volume 40, Number 4, Year 1969, Pages 561-567: Exposure Time Versus Concentration in the World Health Organization Standard Test for Mosquito Resistance to Chlorohydrocarbon Insecticides

By V. Ariaratnam

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Book Id: WPLBN0000238983
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Reproduction Date: 2005

Title: Bulletin of the World Health Organization : 1969; Volume 40, Number 4, Year 1969, Pages 561-567: Exposure Time Versus Concentration in the World Health Organization Standard Test for Mosquito Resistance to Chlorohydrocarbon Insecticides  
Author: V. Ariaratnam
Volume:
Language: English
Subject: Health., Public health, Wellness programs
Collections: Medical Library Collection, World Health Collection
Historic
Publication Date:
Publisher: World Health Organization

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Ariaratnam, V. (n.d.). Bulletin of the World Health Organization : 1969; Volume 40, Number 4, Year 1969, Pages 561-567. Retrieved from http://hawaiilibrary.net/


Description
Medical Reference Publication

Excerpt
The selection of a strategy of control (or eradication) of malaria is, in principle, based on the expected effect of technically feasible intervention methods, and on their cost. A mathematical model of the epidemiology of malaria may rationalize this selection by allowing the quantitative comparison of the relative effects of different intervention methods and their combinations, within the expected range of underlying conditions. A fresh attempt to model the epidemiology of malaria was undertaken mainly because previous models do not take into account the effect of immunity on transmission; this may be relatively unimportant for a theory of eradication, but is crucial for a theory of control where the endpoint is a new balance of the host and parasite populations. The model presented was constructed and is being tested against field data as a part of an interdisciplinary WHO malaria research p r ~ j e c t .T~h e specific objectives of the model are: (a) to describe the quantitative relationship between the entomological variables and the incidence and prevalence of microscopically detectable P. falciparum infections, including their variation by age and season; and (b) to compare the expected parasitologic effects of specified control measures (larvicides, adulticides, drugs), alone or in combination, at specified expected levels of coverage and efficiency. This paper is an interim report on the first of these objectives.

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