Fig. 4
From: Effect of different interventions for latent tuberculosis infections in China: a model-based study
Effect of different ACF strategies for LTBIs on the annual incidence of TB in China from 2021 to 2035. A Tracking intensity of close contacts. B TPT for HIV infected people. C ACF for LTBI in children aged 0 to 14 years. D ACF for LTBI in the elderly (> 65 years old). CT: identification of 2 close contacts for each TB patient (baseline); CT*2: twice the baseline (4 contacts), CT*5: five times the baseline (10 contacts); CT*8: eight times the baseline (16 contacts)