Indonesia and Timor Leste share porous international borders, enabling persistent malaria transmission due to ecological factors, high population mobility, and uneven access to healthcare services. Despite considerable progress in reducing the malaria burden in the respective countries over the last decade, the cross-border region presents unique challenges that threaten to undermine broader malaria elimination efforts across both countries.

This policy brief presents the approaches and lessons learned on designing and implementing these interventions for malaria surveillance in cross-border settings.

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