Gaining control. CDC: infection rates drop, but progress still unclear.
McKinney
Maureen
M
D002487:Centers for Disease Control and Prevention, U.S.; D003428:Cross Infection / Q000453:epidemiology / Q000517:prevention & control*; D006801:Humans; D017053:Infection Control / Q000706:statistics & numerical data*; D014481:United States / Q000453:epidemiology