3. High Prevalence and High Risk Groups
View in chapter → Targeted Testing and Diagnostic Tests
Last Updated April 2026
| Groups With a High Prevalence of Latent TB Infection | Groups With a High Risk of Progression to Active TB Disease if Infected with M. tuberculosis |
|---|---|
| Persons born in countries with high rates of TB | Persons living with HIV Persons who are close contacts of persons with infectious active TB |
| Groups with poor access to healthcare | Children less than 6 years of age |
| Persons who live or spend time in certain facilities (e.g., nursing homes, correctional institutions, homeless shelters, drug treatment centers) | Persons with recent infection with M. tuberculosis (e.g., have had a diagnostic test result for LTBI convert to positive in the past 1-2 years) Persons who have chest radiographs suggestive of old TB |
| Persons who inject drugs | Persons with certain medical conditions |