The director of the St. Louis Zoo Institute for Conservation Medicine, Dr. Sharon Deem, wants people to understand just how much human health is dependent on the health of other animals and the environment. The interconnection between people, animals, plants and their shared environment is the main focus of the CDC’s “One Health” movement, in which the St. Louis Zoo is a leader. In this interview, Deem talks about emerging public health issues, everyday solutions to global threats and the St. Louis Zoo’s role within the One Health movement.