Objectives Patient samples and Aedes albopictus specimens were collected and studied in the laboratory to identify the pathogen responsible for the first suspected autochthonous case of dengue fever and to analyze its molecular epidemiological characteristics. Methods Viral RNA was extracted and genotyped with a real-Time PCR assay.Serum was collected from a patient and inoculated in a C6/36 mosquito cell line.Gene sequencing and phylogenetic analysis of an envelope protein gene(E gene)were performed to ana...