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Related Concept Videos

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 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...
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:
Smallpox01:24

Smallpox

Smallpox is a severe contagious disease caused by the Variola major virus, a double-stranded DNA member of the Poxviridae family.Variola major transmission occurs primarily via inhalation of virus-laden droplets or direct contact with infectious scabs. The incubation period averages approximately seven days, although it may range from 7 to 17 days depending on the inoculum and host factors.Clinically, the prodromal phase is marked by an abrupt onset of high fever, malaise, headache, and myalgia.

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Related Experiment Video

Updated: Jun 6, 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

Zoonotic tuberculosis: on the decline.

Paul R Ingram1, Peter Bremner, Tim J Inglis

  • 1Division of Microbiology and Infectious Diseases, PathWest Laboratory, Sir Charles Gairdner Hospital, Western Australia. paul.ingram@health.wa.gov.au

Communicable Diseases Intelligence Quarterly Report
|November 25, 2010
PubMed
Summary
This summary is machine-generated.

Mycobacterium bovis causes tuberculosis similar to M. tuberculosis. This paper details a pulmonary M. bovis case in a butcher and examines reasons for its decreasing incidence in Australia.

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Area of Science:

  • Zoonotic diseases
  • Bacteriology
  • Public health

Background:

  • Mycobacterium bovis is a zoonotic bacterium within the Mycobacterium tuberculosis complex.
  • It causes a disease clinically indistinguishable from tuberculosis caused by M. tuberculosis.
  • Historically linked to livestock industry and immigration in Australia.

Observation:

  • A case of pulmonary Mycobacterium bovis infection in a butcher is presented.
  • This highlights occupational exposure risks.
  • Mycobacterium bovis accounts for 0.2% of Australian human tuberculosis cases.

Findings:

  • The paper reviews factors contributing to the declining incidence of Mycobacterium bovis infection in Australia.
  • Analysis of risk factors and control measures.

Implications:

  • Understanding M. bovis transmission is crucial for public health.
  • Highlights the importance of occupational health and safety in specific industries.
  • Informs strategies for tuberculosis control and prevention.