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long-lasting insecticidal net

Assessing the impact of low-technology emanators alongside long-lasting insecticidal nets to control malaria

December 29, 2020 - 15:23 -- Open Access
Hellewell J, Sherrard-Smith E, Ogoma S, Churcher TS
Philos Trans R Soc Lond B Biol Sci. 2021 Feb 15;376(1818):20190817

Malaria control in sub-Saharan Africa relies on the widespread use of long-lasting insecticidal nets (LLINs) or the indoor residual spraying of insecticide. Disease transmission may be maintained even when these indoor interventions are universally used as some mosquitoes will bite in the early morning and evening when people are outside. As countries seek to eliminate malaria, they can target outdoor biting using new vector control tools such as spatial repellent emanators, which emit airborne insecticide to form a protective area around the user.

Use of long-lasting insecticidal nets among women attending antenatal clinic at a tertiary hospital in Bayelsa State, Nigeria 2019

December 16, 2020 - 09:20 -- Open Access
Maria Imaobong Ibegu, Khadeejah Liman Hamza, Chukwuma David Umeokonkwo, Tamuno-Wari Numbere, Adolphe Ndoreraho and Tukur Dahiru
Malaria Journal 2020 19:455, 14 December 2020

Malaria in pregnancy remains a major contributor to maternal and infant morbidity and mortality despite scale up in interventions. Its prevention is one of the major interventions in reducing maternal and infant morbidity and mortality. The ownership, utilization and predictors of use of long-lasting insecticide-treated nets (LLINs) for malaria prevention among women attending antenatal clinic (ANC) at a tertiary hospital in Bayelsa State Nigeria was assessed.

Comparative functional survival and equivalent annual cost of 3 long-lasting insecticidal net (LLIN) products in Tanzania: A randomised trial with 3-year follow up

September 22, 2020 - 10:34 -- Open Access
Lorenz LM, Bradley J, Moore SJ, et al.
PLoS Med. 2020 Sep 18;17(9):e1003248

Two billion long-lasting insecticidal nets (LLINs) have been procured for malaria control. A functional LLIN is one that is present, is in good physical condition, and remains insecticidal, thereby providing protection against vector-borne diseases through preventing bites and killing disease vectors. The World Health Organization (WHO) prequalifies LLINs that remain adequately insecticidal 3 years after deployment. Therefore, institutional buyers often assume that prequalified LLINs are functionally identical with a 3-year lifespan. We measured the lifespans of 3 LLIN products, and calculated their cost per year of functional life, to demonstrate the economic and public health importance of procuring the most cost-effective LLIN product based on its lifespan.

Assessment of effectiveness of DAMaN: A malaria intervention program initiated by Government of Odisha, India

September 10, 2020 - 08:35 -- Open Access
Bal M, Das A, Ghosal J, Pradhan MM, Khuntia HK, Pati S, Dutta A, Ranjit M
PLoS One. 2020 Sep 8;15(9):e0238323

India, a persistently significant contributor to the global malaria burden, rolled out several anti-malaria interventions at the national and state level to control and recently, to eliminate the disease. Odisha, the eastern Indian state with the highest malaria burden experienced substantial gains shown by various anti-malaria initiatives implemented under the National Vector-borne Disease Control Programme (NVBDCP).

“After those nets are torn, most people use them for other purposes”: an examination of alternative bed net use in western Kenya

July 29, 2020 - 13:38 -- Open Access
Ellen M. Santos, Jenna E. Coalson, Stephen Munga, Maurice Agawo, Elizabeth T. Jacobs, Yann C. Klimentidis, Mary H. Hayden and Kacey C. Ernst
Malaria Journal 2020 19:272, 29 July 2020

Alternative long-lasting insecticidal net (LLIN) use for purposes other than sleeping protection from mosquitoes is widely debated as a limitation to successful malaria control efforts, yet rarely rigorously studied.

NOT Open Access | Malaria Transmission, Infection, and Disease following Sustained Indoor Residual Spraying of Insecticide in Tororo, Uganda

July 27, 2020 - 12:16 -- NOT Open Access
Nankabirwa JI, Arinaitwe E, Dorsey G, et al.
Am J Trop Med Hyg. 2020 Jul 20

Tororo, a district in Uganda with historically high malaria transmission intensity, has recently scaled up control interventions, including universal long-lasting insecticidal net distribution in 2013 and 2017, and sustained indoor residual spraying (IRS) of insecticide since December 2014. We describe the burden of malaria in Tororo 5 years following the initiation of IRS.

Evidence of high bed net usage from a list randomization experiments in rural Gambia

July 14, 2020 - 09:44 -- Open Access
Joe Brew, Margaret Pinder, Umberto D’Alessandro, Steven W. Lindsay, Caroline Jones and Elisa Sicuri
Malaria Journal 2020 19:248, 13 July 2020

Recording behaviours that have the potential to impact health can be doubly challenging if the behaviour takes place in private spaces that cannot be observed directly, and where respondents answer what they think the recorder may want to hear. Sleeping under a long-lasting insecticidal net (LLIN) is an important intervention for malaria prevention, yet it is difficult to gauge the extent to which coverage (how many nets are in the community) differs from usage (how many people actually sleep under a net). List randomization, a novel method which partially obscures respondents’ answers to sensitive questions, was employed to estimate LLIN usage in The Gambia.

Monitoring the physical and insecticidal durability of the long-lasting insecticidal net DawaPlus® 2.0 in three States in Nigeria

March 31, 2020 - 15:20 -- Open Access
Emmanuel Obi, Festus Okoh, Albert Kilian, et al.
Malaria Journal 2020 19:124, 30 March 2020

Following guidance from the US President’s Malaria Initiative, durability monitoring of DawaPlus® 2.0 brand of long-lasting insecticidal net (LLIN) distributed during the 2015/16 mass campaign was set up in three ecologically different states: Zamfara, Ebonyi and Oyo.

Indoor use of attractive toxic sugar bait in combination with long-lasting insecticidal net against pyrethroid-resistant Anopheles gambiae: an experimental hut trial in Mbé, central Côte d’Ivoire

January 14, 2020 - 09:24 -- Open Access
Joanna E. C. Furnival-Adams, Soromane Camara, Mark Rowland, Alphonsine A. Koffi, Ludovic P. Ahoua Alou, Welbeck A. Oumbouke and Raphael N’Guessan
Malaria Journal 2020 19:11, 7 January 2020

Indoor attractive toxic sugar bait (ATSB) has potential as a supplementary vector-control and resistance-management tool, offering an alternative mode of insecticide delivery to current core vector-control interventions, with potential to deliver novel insecticides. Given the high long-lasting insecticidal bed net (LLIN) coverage across Africa, it is crucial that the efficacy of indoor ATSB in combination with LLINs is established before it is considered for wider use in public health.

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