Watching Valeria Sarmiento's The Black Book (a French period drama), I was surprised when a character who seemed to be an obvious case of 'consumption', actually recovered! Typically in such period dramas, people die (eg: Fantine in Les Miserables, Francis and Linton both pop their clogs due to TB in Wuthering Heights, Helen Burns in Jane Eyre etc...).

It occured to me that I didn't actually have any idea what proportion of active TB cases actually go into remission without chemotherapy, and what the correlates of recovery might be in these cases?