The following persons are at higher risk for exposure to and infection from Mycobacterium tuberculosis:

• Frequent travelers to tuberculosis endemic areas;
• Residents and employees of high-risk congregate settings such as correctional facilities, long-term care facilities, and homeless shelters;
• Healthcare workers who serve high-risk patients or have unprotected exposure;
• Medically underserved and low-income populations;
• Infants, children, and adolescents exposed to adults in high-risk categories.