Vector-borne diseases — that is, diseases spread by vectors like mosquitoes, ticks, and fleas.These vector-borne diseases cause approximately 700,000 deaths annually. These account for about 17% of all infectious diseases, including malaria, dengue, schistosomiasis, yellow fever, and more. Small but deadly Though most common in tropical and subtropical latitudes, vector-borne diseases can spread wherever their vectors can survive. Mosquitoes and ticks … [Read more...]