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Related Concept Videos

Principles of Disease Surveillance01:26

Principles of Disease Surveillance

Disease surveillance is the systematic collection, analysis, and interpretation of health data essential to the planning, implementation, and evaluation of public health practice. This process integrates data dissemination to entities responsible for preventing and controlling disease, injury, and disability. Surveillance systems provide crucial information for action, helping public health authorities make informed decisions to manage and prevent outbreaks, ensure public safety, optimize...
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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...
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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.
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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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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
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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.
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Bovine tuberculosis: making a case for effective surveillance.

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Area of Science:

  • Veterinary Epidemiology
  • Infectious Disease Control
  • Animal Health Management

Background:

  • Bovine tuberculosis (bTB) poses a significant threat to animal health and trade.
  • Meat inspection identified a suspicious case, initiating an epidemiological investigation.
  • Previous surveillance methods may not be sufficient for early detection.

Purpose of the Study:

  • To investigate a bTB outbreak in north-western Germany.
  • To determine the transmission routes and molecular characteristics of the causative agent.
  • To evaluate the effectiveness of current surveillance strategies.

Main Methods:

  • Epidemiological investigation following a meat inspection finding.
  • Intradermal skin testing (tuberculin testing) on suspect animals.
  • Molecular characterization of Mycobacterium bovis isolates.

Main Results:

  • 135 cattle on 12 farms tested positive for bTB.
  • Eight farms had trade contact with the suspected index farm.
  • All isolates shared identical molecular profiles, indicating a common source.

Conclusions:

  • Animal trade is a significant driver for bTB transmission.
  • bTB can remain latent in herds without regular testing.
  • Integrated surveillance combining meat inspection and tuberculin testing is recommended.