Fomites - microbiology, Protective Clothing - standards, Cross Infection - prevention & control, Humans, Long-Term Care, Incidence, Homes for the Aged - statistics & numerical data, Staphylococcal Infections - transmission, Infection Control - standards, Cross Infection - microbiology, Nurses, Nurses' Aides, Aged, Methicillin-Resistant Staphylococcus aureus...