The influence of the vectors Vectors and viruses tend to be clustered in the tropics and subtropics; many temperate zones have periodic epidemics Arbovirus life cycles are closely tied to the ecology of the vectors Infections show a peak incidence when the arthropod is actively feeding and reproducing(e. g Dengue fever's peak in Taiwan is Oct or Nov) Humans can serve as dead-end. accidental hosts or a maintenance reservoir Controlling the vector controls the diseaseThe influence of the Vectors  Vectors and viruses tend to be clustered in the tropics and subtropics; many temperate zones have periodic epidemics.  Arbovirus life cycles are closely tied to the ecology of the vectors.  Infections show a peak incidence when the arthropod is actively feeding and reproducing (e.g., Dengue fever’s peak in Taiwan is Oct or Nov).  Humans can serve as dead-end, accidental hosts or a maintenance reservoir.  Controlling the vector controls the disease