Diseases transmitted by Vectors are harder to control than others because numerous factors influence these kind of diseases. Environment, pathogens, urbanisation and host resistance are some of the factors that affect the spreading of Vector-borne diseases. So it is really hard to pinpoint one factor that can be controlled to stop the spreading of the vector-borne diseases. The sudden climatic change will not bring in new kind of diseases, but it will definitely make controlling the existing diseases harder. Vector-borne diseases are spread by mosquitos, flies etc.
