Tuberculosis Testing: From Routine to Risk-Based Screening for Home Care and Hospice Staff.

February 2017 Home Healthcare Now 121 who was infected with TB in the past has a TST placed years after being infected. Because their body is so used to living with TB infection, when an initial TST is placed, the person’s immune system does not react. However, if a second TST is placed it “boosts” the person’s immune system and a positive reaction will… CONTINUE READING