Reported Tuberculosis in the United States, 2019


Risk Factors

Analysis of TB risk factors includes both comorbid conditions and social and occupational risk factors.  Comorbidities include: conditions and medications that lower the immune system including HIV, diabetes and tumor necrosis factor-alpha inhibitor.

Social and occupational risk factors include employment or residence in a correctional or long-term-care facility, experiencing homelessness, and substance misuse.

Among reported risk factors for TB, diabetes mellitus (20.7%) was most commonly reported, followed by having been a close contact of a person with infectious TB (8.2%), or an immunocompromising condition other than HIV (8.2%).