UpToDate alone is not sufficient for sourcing; AMBOSS lists isoniazid + rifapentine as indicated for most patients >2. But they only highlight “isoniazid for 6 to 9 months” or “rifampin for 4 months” as being relevant for Step 2. https://next.amboss.com/us/article/5h0ief?q=latent+tuberculosis#Z97a67987062b6da1ac8100cf04bae825
might need to bring this to slack chat, will also need to see what world is still testing