TB Two Step is one of the most important methods for screening and testing healthcare personnel for tuberculosis (TB). It consists of an initial screening using a Tuberculin Skin Test (TST) and if there is a positive result, follow-up to confirm and rule out with a blood test, known as the Interferon Gamma Release Assay (IGRA).The TB Two-Step test is especially important in healthcare workers due to the occupational risks associated with TB. The initial screening, the TST, is a simple painless test that is more sensitive than other tests and can help to identify a healthcare worker who is potentially infected with TB even before they are able to screen themselves for the disease.
The follow-up, the IGRA, is highly beneficial and accurate in confirming the first test and ruling out a false positive. This two-step testing helps to gauge the extent of their risk for TB and to determine if they need further treatment or monitoring.
The TB Two-Step is essential for healthcare personnel since it helps protect them from needing to go through the time and expense of unnecessary testing or treatment. Moreover, it helps to ensure adequate health and safety protocols are being taken in healthcare facilities to protect everyone from contracting TB.