ArticleMalaria journal2026
Political stability, health system resilience, and macroeconomic shocks as factors associated with malaria control outcomes: a comparative analysis of Ecuador and Venezuela (2000-2023).
Article in Malaria journal, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundThe post-2000 period in South America presents a striking divergence in malaria epidemiology: Ecuador achieved a >99% reduction in malaria incidence approaching elimination, while Venezuela experienced one of the most severe resurgences in modern public health history. We examined the association between governance factors, health policies, intersectoral coordination, and malaria control outcomes by comparing the national experiences of Ecuador and Venezuela.
methodsWe conducted a comparative ecological study using epidemiological data from WHO World Malaria Reports and PAHO updates (2000-2023), integrated with political stability indices, health expenditure data, GDP per capita, poverty rates, and crude-oil price series from World Bank and CFR databases. A joinpoint (segmented) regression model was applied to each country's log-transformed malaria incidence time series to identify statistically significant inflection points and estimate annual percentage change (APC) per segment. A multi-dimensional framework assessed governance, health-system capacity, surveillance infrastructure, intersectoral coordination, and community engagement. We also examined systemic fragility through concurrent infectious disease trends (diphtheria, measles, tuberculosis) in Venezuela. Use of AI language models is declared in the Methods.
resultsEcuador reduced cases from 106,641 (2001) to 757 (2023), a 99.3% reduction. The joinpoint model identified two significant inflection points (2008, 2014) delineating three phases of declining trend (APC:
conclusionsHealth-system resilience and governance quality appear to be associated with the relationship between macroeconomic shocks and epidemiological outcomes. The strong collinearity between political stability and commodity-price cycles in Venezuela precludes definitive attribution to either factor independently. Technical interventions may be insufficient without stable governance, protected financing, and institutional continuity. Recommendations aligned with the PAHO malaria elimination framework are provided.
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