Answers are grounded in this paper and cite their sources.
In 66 patients with active kala-azar, tuberculin skin tests were negative. During follow-up after apparently successful cure, some patients developed positive tuberculin skin tests. This suggests that active kala-azar is associated with a generalized, non-specific depression of cell-mediated immune responses, which reverts to normal after treatment.
No takes yet. Share an insight, caveat, or question.
Rees et al. (1981) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: