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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 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...
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 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 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...

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Related Experiment Video

Updated: Jun 3, 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 among health care workers.

Iacopo Baussano1, Paul Nunn, Brian Williams

  • 1University A. Avogadro, Novara, Italy. i.baussano06@imperial.ac.uk

Emerging Infectious Diseases
|March 12, 2011
PubMed
Summary
This summary is machine-generated.

Healthcare workers (HCWs) face a higher risk of tuberculosis (TB). Implementing robust infection control measures in healthcare settings is crucial to mitigate TB transmission among these essential professionals.

Related Experiment Videos

Last Updated: Jun 3, 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

Area of Science:

  • Public Health
  • Infectious Diseases
  • Occupational Health

Background:

  • Healthcare workers (HCWs) are at increased risk of occupational exposure to infectious diseases.
  • Tuberculosis (TB) remains a significant global health concern, particularly in healthcare settings.

Purpose of the Study:

  • To evaluate the annual risk of latent tuberculosis infection (LTBI) among HCWs.
  • To determine the incidence rate ratio (IRR) for TB among HCWs globally.
  • To assess the population-attributable fraction (PAF) of TB due to HCW occupational exposure.

Main Methods:

  • Systematic literature review and meta-analysis.
  • Stratified analysis based on country TB incidence rates (low, intermediate, high).
  • Pooled estimation of LTBI rates and TB incidence rate ratios.

Main Results:

  • Pooled LTBI rates were 3.8% in low, 6.9% in intermediate, and 8.4% in high TB incidence countries.
  • Estimated TB incidence rate ratios for HCWs were 2.4, 2.4, and 3.7 in low, intermediate, and high TB incidence countries, respectively.
  • The median estimated population-attributable fraction for TB was up to 0.4%.

Conclusions:

  • HCWs exhibit a higher-than-average risk for developing TB.
  • Effective TB infection control measures are imperative in all healthcare facilities managing patients with suspected infectious TB.