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Related Concept Videos

Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

Tuberculosis, or TB, is a bacterial infectious disease caused by Mycobacterium tuberculosis. While its primary impact is on the lungs, leading to pulmonary tuberculosis, it can also affect various other organs, a condition referred to as extrapulmonary tuberculosis.
Here is a detailed explanation of its pathophysiology:
Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...
Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

Tuberculosis (TB) is a contagious infection primarily affecting the lung parenchyma but which can also affect other body parts. TB can be classified based on disease development, presentation, and the affected anatomical site.
The first classification is based on the development of the disease, and it includes the following categories:
Pulmonary Tuberculosis IV01:26

Pulmonary Tuberculosis IV

Tuberculosis, more commonly referred to as TB, is an infectious disease stemming from Mycobacterium tuberculosis. While it primarily impacts the lungs, TB can also affect other body areas. Given its severity and global impact, timely and accurate diagnosis is crucial for controlling its spread and improving patient outcomes.
Several diagnostic approaches are used to detect TB. The conventional method is the Tuberculin Skin Test (TST), also known as the Mantoux test. However, this method has...
Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

Medical management of tuberculosis (TB) patients involves a comprehensive approach that includes diagnosis, treatment, and monitoring. The specific strategies can vary depending on the type of tuberculosis (latent or active), the patient's overall health status, and other considerations.
Latent tuberculosis infection occurs when TB bacteria are present in a person's body, but are not causing illness or symptoms. It is not contagious, and preventive treatment is crucial to avoid the progression...
Tuberculosis01:23

Tuberculosis

Tuberculosis (TB) remains a significant global health concern, primarily targeting the lungs and spreading through airborne transmission. Infection begins when aerosolized droplet nuclei, expelled by an individual with active TB, are inhaled by another person. These microscopic particles carry Mycobacterium tuberculosis, the causative agent of TB. Upon reaching the alveoli, the bacilli are engulfed by alveolar macrophages. However, due to their specialized lipid-rich cell wall, these pathogens...

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Related Experiment Video

Updated: Jun 30, 2026

Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates
10:04

Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates

Published on: September 5, 2017

Tuberculosis: the threat lingers

N Lloyd

    The Canadian Nurse
    |November 1, 1995
    PubMed
    Summary
    This summary is machine-generated.

    Tuberculosis (TB) remains a global epidemic, infecting one-third of the world and causing millions of deaths annually. The World Health Organization declared a global TB emergency in 1993 due to its persistent and deadly impact.

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    Use of the Invertebrate Galleria mellonella as an Infection Model to Study the Mycobacterium tuberculosis Complex
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    An Automated Culture System for Use in Preclinical Testing of Host-Directed Therapies for Tuberculosis
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    An Automated Culture System for Use in Preclinical Testing of Host-Directed Therapies for Tuberculosis

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    Related Experiment Videos

    Last Updated: Jun 30, 2026

    Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates
    10:04

    Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates

    Published on: September 5, 2017

    Use of the Invertebrate Galleria mellonella as an Infection Model to Study the Mycobacterium tuberculosis Complex
    09:23

    Use of the Invertebrate Galleria mellonella as an Infection Model to Study the Mycobacterium tuberculosis Complex

    Published on: June 30, 2019

    An Automated Culture System for Use in Preclinical Testing of Host-Directed Therapies for Tuberculosis
    09:34

    An Automated Culture System for Use in Preclinical Testing of Host-Directed Therapies for Tuberculosis

    Published on: August 16, 2021

    Area of Science:

    • Global Health
    • Infectious Diseases
    • Epidemiology

    Background:

    • Tuberculosis (TB) represents a significant global health crisis, with widespread infection.
    • An estimated one-third of the global population is currently infected with TB.
    • TB mortality rates are alarmingly high, making it the leading cause of death from infectious diseases in adults.

    Purpose of the Study:

    • To highlight the current epidemic proportions of tuberculosis worldwide.
    • To underscore the severity of TB as a global health emergency.
    • To address the public's potential misconception about TB being a eradicated disease.

    Main Methods:

    • This abstract does not detail specific methods.
    • It relies on epidemiological data and declarations from global health organizations.
    • Information is presented to convey the scale and impact of the disease.

    Main Results:

    • Tuberculosis has reached epidemic levels globally.
    • One-third of the world's population is infected with TB.
    • TB causes three million deaths each year and is the leading infectious cause of adult mortality.

    Conclusions:

    • The World Health Organization declared a global TB emergency in April 1993.
    • The persistent threat of TB necessitates continued global attention and action.
    • Despite past efforts, TB remains a critical and ongoing public health challenge.