Mention the causative agent and means of spread of tuberculosis. Also describe symptoms, diagnosis, treatment and preventive measures of tuberculosis. (IAS 2022/20 Marks)
Mention the causative agent and means of spread of tuberculosis. Also describe symptoms, diagnosis, treatment and preventive measures of tuberculosis. (IAS 2022/20 Marks)
Introduction
Tuberculosis, commonly known as TB, is a contagious bacterial infection caused by Mycobacterium tuberculosis. It primarily affects the lungs but can also affect other parts of the body. TB is spread through the air when an infected person coughs, sneezes, or talks, releasing droplets containing the bacteria.
Causative Agent and Means of Spread of Tuberculosis (TB)
Causative Agent
- Mycobacterium tuberculosis: The primary causative bacterium responsible for tuberculosis in humans.
- Characteristics: It is an aerobic, acid-fast bacillus with a unique cell wall structure that makes it resistant to many antibiotics.
- Pathogenicity: Mycobacterium tuberculosis mainly affects the lungs but can also infect other body parts like kidneys, spine, and brain.
Means of Spread
- Airborne Transmission: TB bacteria spread through tiny droplets in the air when an infected person coughs, sneezes, or talks.
- Close Contact: People in close proximity to an infected person, like family members or coworkers, are at a higher risk.
- High-Risk Environments: Overcrowded areas, poorly ventilated spaces, and health care settings are common hotspots.
- Inhalation: When a healthy person inhales the droplets containing TB bacteria, it can lead to infection.
- Latent TB Reactivation: Individuals with latent TB infection can develop active TB if their immune system weakens.
- Risk Groups: Immunocompromised individuals, including those with HIV/AIDS, malnutrition, or diabetes, are at higher risk.
Symptoms, Diagnosis, Treatment, and Preventive Measures of Tuberculosis
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Conclusion
Tuberculosis remains a significant public health concern globally, and efforts must be made to control its spread through effective diagnosis, treatment, and preventive measures. By raising awareness about TB and implementing appropriate strategies, we can work towards reducing the burden of this infectious disease.