Solved by a verified expert:The vectors of a parasite are organisms able to transport the parasite during stages of its life cycle, making the infection of other hosts possible. For example, the mosquitoAedes aegyptiis the vector of the dengue virus; triatomine bugs are vectors ofTrypanosoma cruzi, the protozoan that causes Chagas’ disease; and mice are vectors of leptospira, the bacteria that cause leptospirosis.What is the difference between the concepts of epidemic disease and endemic disease?