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Spatial visual representation of the circulation of multiple DENV serotypes circulation in Kathmandu and surrounding districts in the 2022 outbreak. Regarding the molecular analysis of representative samples (n = 150), 29 strongly PCR-positive samples also had a positive serotype result. Kathmandu valley reported three DENV serotypes (DENV-1, DENV-2, and DENV-3), with the majority of patients being infected with DENV-1 and DENV-3.
