: The BCG (Bacille Calmette-Guérin) vaccine is often given to children in high-risk countries to prevent severe forms of the disease. Data Context (10190934-Public)
: About one-quarter of the global population is estimated to be infected with TB bacteria. However, only 5–10% of those infected will develop active symptoms in their lifetime. Diagnosis and Prevention
This is for informational purposes only. For medical advice or diagnosis, consult a professional. AI responses may include mistakes. Learn more Tuberculosis - World Health Organization (WHO) TB-(10190934-Public).7z
Tuberculosis is a contagious bacterial infection caused by Mycobacterium tuberculosis . Although it primarily attacks the , it can spread to other parts of the body, such as the brain, spine, and kidneys. It remains one of the world's leading infectious killers, causing approximately 1.5 million deaths annually. Key Concepts in TB Research Latent vs. Active Infection :
: TB is airborne . It spreads when an infected person coughs, sneezes, or speaks, releasing tiny droplets that others breathe in. It is not spread by shaking hands or sharing food. : The BCG (Bacille Calmette-Guérin) vaccine is often
: Common diagnostic tools include the Mantoux tuberculin skin test (TST) , developed in 1909, and more modern blood tests like the Interferon-gamma release assay (IGRA) .
: The bacteria multiply, making the person sick. Symptoms include a persistent cough, chest pain, and coughing up blood. Diagnosis and Prevention This is for informational purposes
Public health surveillance data for a specific region or timeframe.