Shifting Dynamics of DENV2 in Costa Rica: Emergence of the Cosmopolitan Genotype (2024)
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Dengue remains a major public health challenge. In Costa Rica, we implemented the first nationwide genomic surveillance to track the emergence of the DENV2 Cosmopolitan genotype. Phylogenetic and eco-epidemiological analyses revealed early detection, climate-linked spread, and spatial heterogeneity. Findings underscore the need for integrated surveillance to guide adaptive responses to emerging arboviral threats.
