Public health action · 2026
Improving tuberculosis contact investigation in Chhattisgarh, India: early findings from operational research.
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Malik C, Gupta V, Shringarpure K, Gupte H A, Kalkonde Y, Jain Y, Khanna S, Damani M, Shah N N, Sonwani K, Keshri V R, Shewade H D
Аннотация
SETTINGS: Chhattisgarh state, central India, implemented measures to improve household contact investigation (HCI) monitoring and decentralising HCI to nearest primary care facility.
OBJECTIVES: Comparing bacteriologically confirmed adults (≥18 years) with tuberculosis (TB) from October to December in 2023 and 2025, to assess changes in undergoing HCI, TB diagnosis, and TB preventive therapy (TPT) initiation (overall and children [<5 years]) after introducing HCI monitoring indicators and decentralising HCI to primary care.
DESIGN: Operational research using cross-sectional descriptive analysis of programme data.
RESULTS: Districts (n = 33) reporting monthly HCI indicators increased from 2 (6%) in October 2025 to 20 (60%) in January 2026. Notifications dropped from 4,221 to 3,196 and diagnosis through sputum microscopy from 1,315 to 51; while diagnosis by rapid molecular tests increased from 2,290 to 2,774. Marginal improvements occurred in current treatment facility as primary peripheral health institutes (46%-54%), undergoing HCI (75%-82.5%), average household contact identified per person with TB (2.8-3.1), and household contacts initiated on TPT (64%-70%). These changes were not observed among child (<5 years) contacts. TB diagnosis among contacts did not improve (overall and children [<5 years]).
CONCLUSION: Early findings for HCI monitoring are encouraging. However, prioritising child (<5 years) contacts and bacteriological confirmation at primary care level is urgently needed.
OBJECTIVES: Comparing bacteriologically confirmed adults (≥18 years) with tuberculosis (TB) from October to December in 2023 and 2025, to assess changes in undergoing HCI, TB diagnosis, and TB preventive therapy (TPT) initiation (overall and children [<5 years]) after introducing HCI monitoring indicators and decentralising HCI to primary care.
DESIGN: Operational research using cross-sectional descriptive analysis of programme data.
RESULTS: Districts (n = 33) reporting monthly HCI indicators increased from 2 (6%) in October 2025 to 20 (60%) in January 2026. Notifications dropped from 4,221 to 3,196 and diagnosis through sputum microscopy from 1,315 to 51; while diagnosis by rapid molecular tests increased from 2,290 to 2,774. Marginal improvements occurred in current treatment facility as primary peripheral health institutes (46%-54%), undergoing HCI (75%-82.5%), average household contact identified per person with TB (2.8-3.1), and household contacts initiated on TPT (64%-70%). These changes were not observed among child (<5 years) contacts. TB diagnosis among contacts did not improve (overall and children [<5 years]).
CONCLUSION: Early findings for HCI monitoring are encouraging. However, prioritising child (<5 years) contacts and bacteriological confirmation at primary care level is urgently needed.