One World, One Health: Infectious diseases in a changing world by *Björn Olsen, MD  -  October 31, 2012 – PS Public Service Europe   “Special report: Many treatments in modern medicine would be impossible without antibiotics but increased resistance to these drugs means there needs to be a shift in the focus of research and closer collaboration between different scientific disciplinesOn a global scale many pathogens with animals as natural reservoirs can, via a particular series of events, cross species borders and infect humans, resulting in limited cases but sometimes causing pandemics. From a biological point of view, humans are just another animal species. Some infections, such as measles, have changed from primarily infecting animals to instead having humans as their only host. ... “Please read more:   *Dr. Olsen, Professor, Senior Physician Infectious Diseases Uppsala University and University Hospital (Sweden), is a member of the One Health Initiative Honorary Advisory Board   Permission to post on One Health Initiative website granted by Dr. Olsen November 1, 2012.   One Health Initiative Autonomous pro bono Team: Laura H. Kahn, MD, MPH, MPP ▪ Bruce Kaplan, DVM ▪ Thomas P. Monath, MD ▪ Jack Woodall, PhD ▪ Lisa A. Conti, DVM, MPH