**1. Introduction**

The book "Vectors and Vector-Borne Zoonotic Diseases" is about the vectors of diseases and the pathogens they can carry and transmit. The topic of vector-borne diseases is of high interest among many researchers around the world. There are more and more pathogens discovered or they are discovered in locations where they were not found before. There are also more and more hosts where the pathogens are discovered in, and there are several reasons for that.
