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 |