One Health acknowledges that humans’ health is connected with not only animals' health but also with the environment in which they live. Through a interdisciplinary and cross-sectoral collaboration, all Health Professionals, share their knowledge at a national and global level to protect all living organisms on the planet. Scientists of various specialties, through specific strategies, develop knowledge and skills in order to improve physical and mental health, for people and animals, while at the same time protect their natural environment with which they are inseparably connected. The goal is to improve Public Health at all levels, with less time and cost. One Health is supported by International Organizations, Universities, Institutes, such as the European Union and the World Health Organization.