Abstract: Objective  To strengthen TB infection control and provide some suggestions for reducing the transmission of Mycobacterium tuberculosis by understanding the current situation of TB infection control in designa-ted medical institutions in China. Methods  Field survey on current situation of TB infection control was conducted in 12 designed medical institutions of TB in 3 cites from March to May in 2013. Descriptive analysis was used to analyze the administrative control, environmental control and personal protective equipment. Air change per hour (ACH) and intensity of ultraviolet irradiation were measured in outpatient departments, laboratories and inpatient wards separately. Good ventilation is defined by ACH≥12/h. The requirement of the intensity of ultraviolet irradiation is over 70μW/cm². Results  Of the 12 TB prevention and control institutions, 8 institutions had the regulations of TB infection control. The outpatient departments of 2 institutions were properly designed, of 10 institutions where ACH reached the requirement, and of 6 institutions where the intensity of ultraviolet irradiation reached the requirement. The laboratories of 6 institutions were properly designed, of 6 institutions where ACH reached the requirement, and of 5 institutions where the intensity of ultraviolet irradiation reached the requirement. The inpatient departments of 3 institutions were properly designed, of 11 institutions where ACH reached the requirement. Ultraviolet lights were installed in the wards of 4 institutions and the intensity of ultraviolet irradiation that reached the requirement only in 1 institution. Eleven designed medical institutions could supply the protective face masks for medical use for health care workers and 10 institutions could supply medical surgical masks for TB patients and TB suspects.  Conclusion The TB infection control work is weak and should be strengthened comprehensively in designed medical institutions of TB, especially in the laboratory.

Key words: Tuberculosis/prevention &, control, Communicable disease control, Hospitals, urban, Hospitals, county