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. 2024 Apr 10;2024(4):CD015636. doi: 10.1002/14651858.CD015636.pub2

Collins 2022.

Study name EVITA Dengue
Methods Status: ongoing
Aim: to determine the effectiveness of wMel mosquitoes in reducing the transmission of DENV, ZIKV, and CHIKV as indicated by the annual incidence of infection by these arboviruses
Study type: cRCT
Study dates: September 2020 to January 2025
Country, location: Brazil, urban
Unit of allocation: community
Number of units: 58
Length of follow‐up: ongoing
Participants Number of participants: 3480
Method of recruitment: enrolled via eligible elementary schools
Loss to follow‐up: N/I ongoing
Age: 6–11 years at enrollment
Sex: N/I ongoing
Socio‐economic status: N/I ongoing
Interventions Wolbachia species: wMel
Mosquito species: Ae aegypti
Mosquito life stage at release: adult
Strategy: population replacement
Number of deployments: 5.5 mosquitoes/person/week
Timing of deployments: 16‐week establishment phase, then 16‐week consolidation phase
Location of deployments: N/I ongoing
Aimed % vector population replacement: > 60% population replacement
Achieved % vector population replacement: N/I ongoing
Field monitoring strategy: N/I ongoing
Co‐interventions: standard mosquito control for the area
Outcomes Primary outcome: dengue infection incidence
Secondary outcome: Wolbachia population replacement
Starting date 28 July 2022
Contact information Lee Ching Ng
E‐mail: NG_Lee_Ching@nea.gov.sg
Notes