This document represents the first annual report of the EU Framework 7-funded project entitled CALLISTO (Companion Animal multisectoriaL interprofessionaL and interdisciplinary Strategic Think tank On zoonoses), which investigates zoonotic infectious diseases transmitted between companion animals and humans and food producing animals. The specific aim of the first year of the project was to develop a detailed overview of the role of companion animals as a source of infectious diseases for man and farmed animals, including available information on disease incidence and geographical distribution in these host categories. The present report is the compilation of the work of seven Expert Working Groups under five Work Packages during the calendar year 2012.











