What further evaluation do you pursue for patients who present with vague symptoms such as subjective fevers or intermittent night sweats, who have no pulmonary symptoms but have a positive IGRA?  

Great question. Another scenario that is not uncommon is some degree of cough, sometimes for long periods of time, but no other symptoms. If their risk is higher for progression to active disease (e.g., immunocompromised; recent contact with an active case) I may do more than if the risk is low. My ...