Document Detail


Trial of pyrethroid impregnated bednets in an area of Tanzania holoendemic for malaria. Part 2. Effects on the malaria vector population.
MedLine Citation:
PMID:  1680284     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The malaria vector population consisted mainly of Anopheles gambiae s.s. with a small contribution from An. funestus and An. rivulorum. The mosquitoes coming to bite in bedrooms were monitored with light traps set beside untreated bednets. When impregnated bednets were provided for all the other beds in a village the Anopheles populations declined but the Culex quinquefasciatus populations were unaffected. The survival of An. gambiae (as measured by the mean number of ovarian dilatations) and the sporozoite rate declined following introduction of the nets and the estimated sporozoite inoculation rates into people not under their nets declined by more than 90%. The net introductions caused sharp declines in the number of mosquitoes resting indoors, but the evidence was inconclusive regarding diversion to outdoor resting, animal biting, earlier biting or outdoor biting. DDT spraying greatly reduced the Anopheles populations.
Authors:
S M Magesa; T J Wilkes; A E Mnzava; K J Njunwa; J Myamba; M D Kivuyo; N Hill; J D Lines; C F Curtis
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Acta tropica     Volume:  49     ISSN:  0001-706X     ISO Abbreviation:  Acta Trop.     Publication Date:  1991 Jun 
Date Detail:
Created Date:  1991-10-23     Completed Date:  1991-10-23     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0370374     Medline TA:  Acta Trop     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  97-108     Citation Subset:  IM    
Affiliation:
Amani Medical Research Centre, Tanzania.
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MeSH Terms
Descriptor/Qualifier:
Animals
Anopheles*
Bedding and Linens
Culex
Female
Humans
Malaria / prevention & control*
Mosquito Control / methods*
Pyrethrins*
Tanzania
Chemical
Reg. No./Substance:
0/Pyrethrins

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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