No effect of insecticide treated curtain deployment on aedes infestation in a cluster randomized trial in a setting of low dengue transmission in Guantanamo, Cuba

PloS One
M E ToledoP Van der Stuyft

Abstract

The current study evaluated the effectiveness and cost-effectiveness of Insecticide Treated Curtain (ITC) deployment for reducing dengue vector infestation levels in the Cuban context with intensive routine control activities. A cluster randomized controlled trial took place in Guantanamo city, east Cuba. Twelve neighborhoods (about 500 households each) were selected among the ones with the highest Aedes infestation levels in the previous two years, and were randomly allocated to the intervention and control arms. Long lasting ITC (PermaNet) were distributed in the intervention clusters in March 2009. Routine control activities were continued in the whole study area. In both study arms, we monitored monthly pre- and post-intervention House Index (HI, number of houses with at least 1 container with Aedes immature stages/100 houses inspected), during 12 and 18 months respectively. We evaluated the effect of ITC deployment on HI by fitting a generalized linear regression model with a negative binomial link function to these data. At distribution, the ITC coverage (% of households using ≥1 ITC) reached 98.4%, with a median of 3 ITC distributed/household. After 18 months, the coverage remained 97.4%. The local Aedes species was susc...Continue Reading

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Citations

Mar 1, 2016·Pathogens and Global Health·Eduardo Alfonso-SierraAxel Kroeger
Sep 7, 2016·Revista Da Sociedade Brasileira De Medicina Tropical·Alberto BalyPatrick Van der Stuyft
Feb 17, 2019·Tropical Medicine & International Health : TM & IH·Ariel Esteban BardachAgustín Ciapponi
Sep 4, 2020·PLoS Neglected Tropical Diseases·Neal AlexanderKarim Anaya-Izquierdo

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