Zero: what is it, and how do we get there?
Fraser
Victoria
V
Infectious Diseases Division, Washington University School of Medicine, St. Louis, Missouri 63110, USA. vfraser@im.wustl.edu
D003428:Cross Infection / Q000453:epidemiology* / Q000517:prevention & control*; D006761:Hospitals; D006801:Humans; D017053:Infection Control / Q000379:methods / Q000592:standards*