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long-lasting insecticidal nets (LLINs)

Frequent blood feeding enables insecticide-treated nets to reduce transmission by mosquitoes that bite predominately outdoors

March 15, 2016 - 18:13 -- Open Access
Author(s): 
Tanya L. Russell, Nigel W. Beebe, Hugo Bugoro, Allan Apairamo, Weng K. Chow, Robert D. Cooper, Frank H. Collins, Neil F. Lobo and Thomas R. Burkot
Reference: 
Malaria Journal 2016 15:156, 10 March 2016

The short duration of the feeding cycle by this species offers an explanation for the substantial control of malaria that has been achieved in the Solomon Islands by LLINs and IRS.

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Anopheles farauti is a homogeneous population that blood feeds early and outdoors in the Solomon Islands

March 15, 2016 - 18:10 -- Open Access
Author(s): 
Tanya L. Russell, Nigel W. Beebe, Hugo Bugoro, Allan Apairamo, Frank H. Collins, Robert D. Cooper, Neil F. Lobo and Thomas R. Burkot
Reference: 
Malaria Journal 2016 15:151, 9 March 2016

The finding that An. farauti is a homogeneous population is significant, because during the multiple feeding cycles required to complete the extrinsic incubation period, many individual female anophelines will enter houses late at night and be exposed to the insecticides used in LLINs or IRS.

Operational challenges to continuous LLIN distribution: a qualitative rapid assessment in four countries

March 2, 2016 - 17:40 -- Open Access
Tags: 
Author(s): 
Katherine Theiss-Nyland, Waqo Ejersa, Jo Lines, et al.
Reference: 
Malaria Journal 2016 15:131, 1 March 2016

In these countries, stock-outs were the most important single obstacle to the smooth operations of continuous LLIN distribution.

A longitudinal study of the durability of long-lasting insecticidal nets in Zambia

February 23, 2016 - 16:50 -- Open Access
Tags: 
Author(s): 
Kathrine R. Tan, Jane Coleman, Allen S. Craig, et al.
Reference: 
Malaria Journal 2016 15:106, 19 February 2016

The median functional survival time for LLINs observed the study was 2.5–3 years and insecticide activity and content were markedly decreased by 2 years

What drives the consistent use of long-lasting insecticidal nets over time? A multi-method qualitative study in mid-western Uganda

February 2, 2016 - 18:53 -- Open Access
Tags: 
Author(s): 
Clare E. Strachan, Anthony Nuwa, Denis Muhangi, Albert P. Okui, Michelle E. H. Helinski and James K. Tibenderana
Reference: 
Malaria Journal 2016 15:44, 28 January 2016

A multitude of interplaying factors encouraged consistent LLIN use in this setting.

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Mind the gap: residual malaria transmission, veterinary endectocides and livestock as targets for malaria vector control

January 12, 2016 - 17:27 -- Open Access
Tags: 
Author(s): 
Carlos Chaccour, Gerry Killeen
Reference: 
Malaria Journal 2016, 15:24 (12 January 2016)

The work of Pooda et al. published in Malaria Journal[1] provides encouraging evidence of the potential use of systemic insecticides in cattle as a complementary means to further reduce residual malaria transmission that persists despite high coverage of current front-line vector measures, namely long-lasting insecticidal nets (LLINs) and indoor residual sprays (IRS).

Targeting indoor residual spraying for malaria using epidemiological data: a case study of the Zambia experience

January 12, 2016 - 16:54 -- Open Access
Tags: 
Author(s): 
Jessie Pinchoff, David Larsen, Anna Winters, et al.
Reference: 
Malaria Journal 2016, 15:11 (6 January 2016)

This case study focuses on the developed methodology while also highlighting the significant research gaps which must be filled to guide countries on the most effective strategy for IRS targeting in the context of universal LLIN coverage and evolving insecticide resistance.

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Evidence for temporal population replacement and the signature of ecological adaptation in a major Neotropical malaria vector in Amazonian Peru

September 30, 2015 - 16:54 -- Open Access
Tags: 
Author(s): 
William Lainhart, Sara Bickersmith, Kyle Nadler, Marta Moreno, Marlon Saavedra, Virginia Chu, Paulo Ribolla, Joseph Vinetz, Jan Conn
Reference: 
Malaria Journal 2015, 14:375 (29 September 2015)

Analyses of microsatellite loci from seven (2006) and nine settlements (2012–2014) in the Iquitos area detected two distinctive populations with little overlap, although it is unclear whether this population replacement event is associated with LLIN distribution or climate.

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Do holes in long-lasting insecticidal nets compromise their efficacy against pyrethroid resistant Anopheles gambiae and Culex quinquefasciatus? Results from a release–recapture study in experimental huts

August 31, 2015 - 16:01 -- Open Access
Author(s): 
Sanjiarizaha Randriamaherijaona, Olivier J T Briët, Sébastien Boyer, Aziz Bouraima, Raphael N’Guessan, Christophe Rogier, Vincent Corbel
Reference: 
Malaria Journal 2015, 14:332 (28 August 2015)

Even though personal protection by LLINs against feeding mosquitoes is strongly reduced by holes, the insecticidal effect of LLINs is independent of the holed surface area, but strongly dependent on insecticide resistance.

Modified mosquito landing boxes dispensing transfluthrin provide effective protection against Anopheles arabiensis mosquitoes under simulated outdoor conditions in a semi-field system

June 24, 2015 - 13:46 -- Open Access
Author(s): 
Marta Andrés, Lena M Lorenz, Edgar Mbeleya, Sarah J Moore
Reference: 
Malaria Journal 2015, 14:255 (24 June 2015)

Modified MLBs can be used as efficient and long-lasting dispensers of volatile spatial repellents such as transfluthrin, thereby providing high levels of protection against outdoor-biting mosquitoes in the peri-domestic space.

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