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World Tuberculosis (TB) Day – 2025
Context
Every year, 24 March is observed as World TB Day to amplify the urgency of ending tuberculosis (TB), the world's deadliest infectious disease.
About Tuberculosis (TB)
- TB is caused by a bacterium known as Mycobacterium tuberculosis, which belongs to a family of around 200 bacteria species called Mycobacteriaceae.
- Types of TB:TB primarily affects the lungs (pulmonary TB) in humans. However, it can also affect other organs (extra-pulmonary TB).
- Historical Context:TB is an ancient disease, with evidence of its existence dating back to 3000 BC in Egypt.
- Treatability:TB is treatable and curable with appropriate medication and management.
- Transmission:TB spreads from person to person through the air. When individuals with lung TB cough, sneeze, or spit, they release TB germs into the air, which can be inhaled by others.
- Treatment: Current biomedical strategies to reduce new infections include the
- BCG vaccine, which protects against severe forms of childhood TB
- Tuberculosis preventive treatment (TPT) which aims to cover other household contacts, clinical-risk groups apart from children younger than five years and household contacts with HIV
- Effective rifamycin-based regimes
National and international initiatives:
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