This document updates and replaces all previously published guidelines for the prevention
of Mycobacterium tuberculosis transmission in health-care facilities. The purpose of this
revision is to emphasize the importance of a) the hierarchy of control measures, including
administrative and engineering controls and personal respiratory protection; b) the use of
risk assessments for developing a written tuberculosis (TB) control plan; c) early identifi-
cation and management of persons who have TB; d) TB screening programs for health-care …