HPA Interim Guidance:The HPA recommends the use of IGRA testing in health care workers, if available, in view of the importance of detecting latently infected staff who may go on to develop active disease and come into contact with immunocompromised patients and the logistical simplicity of IGRA testing.
Multi-drug-resistant tuberculosis is a strain of tuberculosis that has developed an immunity to Isoniazid or Rifampin, the two most commonly used medications to combat TB.