[Confirmed Dengue, Chikungunya and Zika Cases during the Period 2014 to 2016 in Barcelona, Spain].

Background: Arbovirus infections are a group of diseases whose incidence is increasing and that entail an important problem for public health. The aim of this study was to describe detected cases or arbovirosis in Barcelona, and surveillance and control actions performed in artier to reduce the risk of transmission. Methods: Descriptive cross-sectional study of confirmed dengue. chikungunya and Zika cases in Barcelona during 2014-2016. Suspected case; detected in the city were notified to the Epidemiology Department of the Barcelona Public Health Agency, where an epidemiological survey is undertaken and, if appropriate, Urban Pests Surveillance and Control Department is contacted. They perform an entomological inspection and implement control and monitoring actions. We collected sociodemographical, epidemiological, clinical and entomological variables. Results: In 2014, 50 ckikungunya and 20 dengue casts were detected; 25 entomological inspections were carried out in residences and 38 in the street. In 2015, 47 chikungunya, 51 dengue and 2 Zika cases were detected; 27 inspections were carried out in residences and 80 in the street. In 2016. 17 chikunmgunya, 52 dengue and 48 Zika cases were detected; 50 inspections were carried out in residences and 103 in the street. No autachtonous case was detected. Conclusions: We observed an increasing incidence of arbovirosis cases during the 3-year study period. There was a progressive intensification of vector surveillance and control actions (inspections, sample collection...).