Multidrug resistance bacteria infection is common in ICU. Infection incidence is associated with age, organ dysfunction, invasive treatment and enviroment cleaning. According to hospital hygienic standard for disinfection, total numbers of colony of air and the object surface in ICU must be ≤4CFU/cm2（5min）and≤10CFU/cm2. in this study, the two different methods will be used to evaluate the disinfection effects in ICU enviroments.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
SCREENING
Masking
NONE
Enrollment
480
manual clean the rag and floor towel
machine clean the rag and floor towel
incidence of infection
Time frame: up to one month
dose of antibiotics
Time frame: up to one month
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