Within the framework of the World One Health Day celebration, the Facultad de Ciencias Veterinarias y Pecuarias (FAVET) de la Universidad de Chile and the Instituto de Salud Pública de Chile are pleased to invite you to participate in the Fourth One Health Day Symposium Chile and the Antimicrobial Resistance Symposium, Challenges One Health, whose objectives are to convene different national and international actors for the multidisciplinary approach to priority issues for our region under the One Health approach. The development of these seminars will focus on the main themes of Climate Change and Antimicrobial Resistance.