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Estimated risk for progression from tuberculosis infection to tuberculosis disease, by age

Estimated risk for progression from tuberculosis infection to tuberculosis disease, by age
Age Risk of progression from TB infection to TB disease if untreated
<12 months 40 to 50%
1 to 2 years 25%
>2 to 12 years 5 to 10%
>12 to 18 years 10 to 15%
>18 years 5 to 10%
TB: tuberculosis; TBI: tuberculosis infection.
Adapted with permission from Pediatrics, Vol. 148, Page e2021054663, Copyright © 2021 by the AAP.
Graphic 145623 Version 1.0