Table 16– Recommended objectives for contact investigations, by key indicators
Key indicatorObjective
Proportion of infectious patients with at least one contact listed90%
Proportion of high-priority contacts who are evaluated for tuberculosis and latent infection with M. tuberculosis90%
Proportion of infected contacts who begin preventive therapy for latent infection with M. tuberculosis85%
Proportion of contact investigations concluded within 3–4 months after the diagnosis of the index patient80%
Proportion of contacts who complete preventive therapy for latent infection with M. tuberculosis75%
  • Adapted from 15.