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Comparing the durability of the long-lasting insecticidal nets DawaPlus ® 2.0 and DuraNet© in northwest Democratic Republic of Congo
Malaria journal, 2020-05, Vol.19 (1), p.189-189, Article 189
Mansiangi, Paul
Umesumbu, Solange
Etewa, Irène
Zandibeni, Jacques
Bafwa, Nissi
Blaufuss, Sean
Olapeju, Bolanle
Ntoya, Ferdinand
Sadou, Aboubacar
Irish, Seth
Mukomena, Eric
Kalindula, Lydie
Watsenga, Francis
Akogbeto, Martin
Babalola, Stella
Koenker, Hannah
Kilian, Albert
2020
Details
Autor(en) / Beteiligte
Mansiangi, Paul
Umesumbu, Solange
Etewa, Irène
Zandibeni, Jacques
Bafwa, Nissi
Blaufuss, Sean
Olapeju, Bolanle
Ntoya, Ferdinand
Sadou, Aboubacar
Irish, Seth
Mukomena, Eric
Kalindula, Lydie
Watsenga, Francis
Akogbeto, Martin
Babalola, Stella
Koenker, Hannah
Kilian, Albert
Titel
Comparing the durability of the long-lasting insecticidal nets DawaPlus ® 2.0 and DuraNet© in northwest Democratic Republic of Congo
Ist Teil von
Malaria journal, 2020-05, Vol.19 (1), p.189-189, Article 189
Ort / Verlag
England: BioMed Central Ltd
Erscheinungsjahr
2020
Link zum Volltext
Quelle
EZB Electronic Journals Library
Beschreibungen/Notizen
Anecdotal reports from DRC suggest that long-lasting insecticidal nets (LLIN) distributed through mass campaigns in DRC may not last the expected average three years. To provide the National Malaria Control Programme with evidence on physical and insecticidal durability of nets distributed during the 2016 mass campaign, two brands of LLIN, DawaPlus 2.0 and DuraNet©, were monitored in neighbouring and similar health zones in Sud Ubangi and Mongala Provinces. This was a prospective cohort study of representative samples of households from two health zones recruited at baseline, 2 months after the mass campaign. All campaign nets in these households were labelled, and followed up over a period of 31 months. Primary outcome was the "proportion of nets surviving in serviceable condition" based on attrition and integrity measures and the median survival in years. The outcome for insecticidal durability was determined by bio-assay from subsamples of campaign nets. A total of 754 campaign nets (109% of target) from 240 households were included in the study. Definite outcomes could be determined for 67% of the cohort nets in Sud Ubangi and 74% in Mongala. After 31 months all-cause attrition was 57% in Sud Ubangi and 76% in Mongala (p = 0.005) and attrition due to wear and tear was 26% in Sud Ubangi and 48% in Mongala (p = 0.0009). Survival in serviceable condition at the last survey was 37% in Sud Ubangi and 17% in Mongala (p = 0.003). Estimated median survival was 1.6 years for the DawaPlus 2.0 in Mongala (95% CI 1.3-1.9) and 2.2 years for the DuraNet in Sud Ubangi (95% CI 2.0-2.4). Multivariable Cox proportionate hazard models suggest that the difference between sites was mainly attributable to the LLIN brand. Insecticidal effectiveness was optimal for DuraNet©, but significantly dropped after 24 months for DawaPlus 2.0. In the environment of northwest DRC the polyethylene LLIN DuraNet© performed significantly better than the polyester LLIN DawaPlus 2.0, but both were below a three-year median survival. Improvement of net care behaviours should be able to improve physical durability.
Sprache
Englisch
Identifikatoren
ISSN: 1475-2875
eISSN: 1475-2875
DOI: 10.1186/s12936-020-03262-0
Titel-ID: cdi_doaj_primary_oai_doaj_org_article_ffe6761af8c64d46a096ab5c0aef708d
Format
–
Schlagworte
Analysis
,
Cohorts
,
Democratic Republic of the Congo
,
Displaced persons
,
DRC
,
Durability
,
Households
,
Human diseases
,
Insecticide-Treated Bednets - statistics & numerical data
,
Insecticides
,
LLIN durability
,
Malaria
,
Malaria - prevention & control
,
Mass
,
Monitoring
,
Mosquito Control - statistics & numerical data
,
Nets
,
Polyethylene
,
Prospective Studies
,
Provinces
,
Questionnaires
,
Rivers
,
Surveying
,
Survival
,
Toughness
,
Vector-borne diseases
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