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Neighbour-joining phylogenetic tree of dengue virus 2 isolates from human samples (n = 5) and mosquito pool (n = 1) in a dengue outbreak, Fano, Italy, August–October 2025, compared with global isolatesa
a More than 1,700 recent global DENV-2 isolates from the GISAID repository (https://gisaid.org/publish/) included.
