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World Health Organization : Year 1989 ; World Health Organization Division of Vector Biology and Control, No. 89.981 - Revision 1: The Use of Impregnated Bednets and Other Materials for Vector-Borne Disease Control

By World Health Organization

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Book Id: WPLBN0000224150
Format Type: PDF eBook
File Size: 5.4 MB
Reproduction Date: 2005

Title: World Health Organization : Year 1989 ; World Health Organization Division of Vector Biology and Control, No. 89.981 - Revision 1: The Use of Impregnated Bednets and Other Materials for Vector-Borne Disease Control  
Author: World Health Organization
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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Organization, W. H. (n.d.). World Health Organization : Year 1989 ; World Health Organization Division of Vector Biology and Control, No. 89.981 - Revision 1. Retrieved from http://www.ebooklibrary.org/


Description
Medical Reference Publication

Excerpt
1. INTRODUCTION An Informal Consultation on the Use of Impregnated Bednets and Other Materials for Vector-Borne Disease Control was held in Geneva from 14 to 18 February 1989. The meeting was opened by Dr T. Bektimirov, Assistant Director-General. He pointed out the doubts which are now frequently felt about the success and sustainability of vertically organized programmes of malaria vector control based on residual house spraying. He therefore emphasized the desirability of methods of vector control, such as the use of bednets, which can be integrated within the primary health care system with active community participation. He enjoined the meeting to examine existing data on the impregnated bednet method and to prepare guidelines for further action in this field. These are contained in this report.

Table of Contents
TABLE OF CONTENTS .P.a ge W 1 . Introduction .................................................... 5-6 2 . Use of bednets by WHO Region .................................... 6-17 . 2.1 African Region ............................................. 7-8 2.2 American Region ............................................ 8-9 2.3 Eastern Mediterranean Region ................................ 9-10 2.4 South East Asia Region ..................................... 10-12 2.5 Western Pacific Region ..................................... 12-17 3 . Technical studies prior to field application .................... 17-22 3.1 Bioassay methods ........................................... 17 3.2 Behavioural and killing effect of impregnated broad and narrow mesh netting ......................................... 18 3.3 Fibres ..................................................... 18 3.4 Treatment methods ......................................... 18-19 3.5 Factors affecting the persistance of insecticides on netting .................................. r ............... 19-20 3.6 Human and environmental safety with various pyrethroids and non-pyrethroids at the doses at which they might be used for impregnation ........................ 20 3.7 Pyrethroid resistance ...................................... 21 3.8 Effect of pyrethroids on plasmodium development ............ 22 3.9 The role of industry ...................................... 22 4 . Effects on vectors and pests .................................... 22-24 4.1 Bioassay methods in the field .............................. 22-23 4.2 Individual protection and diversion of mosquitos to other hosts ............................................. 23 4.3 Killing of mosquitos by contact with impregnated nets and its effect on vectorial capacity ....................... 23 4.4 Effects of widespread use of impregnated fabric on the biting cycle of mosquitos .............................. 24 4.5 Effects of impregnated fabrics on non-target arthropods ................................................ 24 5 . Effects of impregnated material on malaria in humans ............ 24-29 5.1 Analysis of the available data ............................. 24-27 5.2 Conclusions from the analysis .............................. 27-L8 5.3 Suggestions for further research ........................... 28 5.4 Suggestions for the design of future trials ................ 28-29 5.5 Conclusions about impregnated nets for mosquito control .... 29

 

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