Karnataka launches BCG revaccination campaign for adults to combat TB

On Tuesday, Karnataka health minister Dinesh Gundu Rao introduced the state’s adult Bacille Calmetter-Guerin (BCG) vaccination campaign, a key initiative in India’s fight against Tuberculosis (TB). Traditionally given to infants, the BCG vaccine is now being extended to adults in high-risk groups, as recent research suggests  revaccination may enhance immunity and reduce TB risk. 

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The campaign was officially launched at Sir CV Raman Public Hospital in Indiranagar on account of World TB Day (March 24). It will primarily target vulnerable populations, including elderly individuals, underweight individuals (BMI below 18.5), diabetics, smokers, former TB patients, household contacts of TB patients and immunocompromised individuals. 

The vaccination drive will be rolled  out gradually across 16 selected districts. Rao urged eligible individuals to participate voluntarily, emphasizing that the BCG vaccine is free, safe, and beneficial for strengthening immunity against TB.  

Additionally, the minister highlighted the availability of free TB diagnosis and treatment services across Karnataka. To enhance early detection, 159 new Nucleic Acid Amplification Test (NAAT) machines will be installed in district hospitals, taluk hospitals, and high-burden Primary Health Centers (PHCs) and Community Health Centers (CHCs). He also encouraged private healthcare providers to collaborate with government facilities to reduce treatment costs for patients.