Some practical problems and troubleshooting.
D003428:Cross Infection / Q000453:epidemiology / Q000209:etiology / Q000517:prevention & control*; D004812:Epidemiologic Methods; D006787:Hospitals, Veterans; D006801:Humans; D007318:Inservice Training; D010564:Personnel, Hospital / Q000193:education / Q000706:statistics & numerical data; D014922:Wisconsin