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Multi-country Impact Evaluation of the Volunteer Collaborators (ColVol) Strategy for Malaria Elimination

The overall objective of this technical cooperation (TC) is to estimate the causal impact—and identify the underlying mechanisms—of deploying the ColVol (community volunteer) network on malaria elimination outcomes. This includes accelerating the interruption of local transmission in settings with active foci (the Dominican Republic and Panama) and maintaining sufficient surveillance sensitivity to prevent the re-establishment of transmission in post-elimination settings (El Salvador), compared to relying solely on the traditional, centralized surveillance and active case-finding network. The specific objectives are: (i) relevance: to assess how well the deployment of ColVol aligns with areas of persistent transmission and barriers to access; (ii) effectiveness: to measure the impact on the timeliness of diagnosis, coverage, and case detection; (iii) efficiency: to estimate the cost per suspected case and per confirmed case, in comparison to traditional active case-finding; (iv) quality: to evaluate technical adherence, diagnostic accuracy, and information management; and (v) sustainability: to analyze volunteer retention and motivation, the continuity of supply, and the integration of ColVol routines and costs into the decentralized planning instruments of the health system.

Project Detail

Country

Regional

Project Number

RG-T5112

Approval Date

-

Project Status

Preparation

Project Type

Technical Cooperation

Sector

HEALTH

Subsector

DISEASE PREVENTION & CONTROL

Lending Instrument

-

Lending Instrument Code

-

Modality

-

Facility Type

-

Environmental and Social Impact Category (ESIC)

-

Total Cost

USD 90,000.00

Country Counterpart Financing

-

Original Amount Approved

USD 90,000.00

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Preparation Phase
https://www.iadb.org/viewer/EZIDB001887-189691143-5
TC Abstract
RG-T5112 - Abstracto de CT.pdf
Oct. 09, 2026
Spanish

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