The Lancet Planetary Health Volume 3, Issue 2, February 2019, Pages e64-e65 open access Comment Collaboration between human and veterinary medicine as a tool to solve public health problems “The implementation of an effective collaboration between human and veterinary medicine, environmental protection, and public health is not a fully achieved goal, although several examples of integrated approaches have been documented in Europe. The concept of one world, one health has recently appeared, indicating that the world has suddenly woken up to the link between animal diseases, public health, and the environment. The need for collaboration between the human, animal, and environmental health sectors is due to the increase in emerging human infectious diseases with a zoonotic origin and in the resistance of microorganisms to antimicrobial drugs.1 The main fields in which this new concept of collaboration has been applied are zoonosis and zooprophylaxis, vaccines, and antibiotic resistance, via the establishment of networks of professionals in the One Health area. The historical background of One Health laid the foundations for the realisation of concrete interventions or future perspectives of collaboration between human, veterinarian, and environmental institutions. …”