A suspicion on West Nile virus (WNV) in Serbia was first reported in 1972 by a seroprevalence study, after which no data were available for four decades. We report full sequence of the isolate obtained for the first time from a human sample in Serbia. The closest clustering was obtained with lineage 2 WNV identified in Greece in 2010. Since WNV lineage 2 emerged in Europe in 2004, a cocirculation of lineages 1 and 2—as observed in Hungary and Italy—cannot be excluded. The reinforcement of surveillance will be required to investigate the possible cocirculation of the two lineages and the burden of WNV in the local population.
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