<s>[INST] My doctor wants my children to take TB tablets but they are perfectly well. Why do they need to take them? [/INST] It sounds like your children have been diagnosed with latent TB. This would mean they have the TB bacteria inside them, but their body is keeping it under control, although they may become ill later on.

Children are treated for latent TB, because they have under-developed immune systems, which means that they are more likely to become ill with TB than adults. Source: THE TRUTH ABOUT TB. Link: https://www.thetruthabouttb.org/talking-tb/questions-answers/. Field: Lung Disease. Disease: Tuberculosis </s>