Related Experiment Video
Updated: May 10, 2026

06:26
Micro-Colony Forming Unit Assay for Efficacy Evaluation of Vaccines Against Tuberculosis
Published on: July 28, 2023
The current state of tuberculosis vaccines
1Aeras; Rockville, MD USA.
Human Vaccines & Immunotherapeutics
|June 25, 2013
Summary
Despite the BCG vaccine, tuberculosis (TB) persists globally. Developing a new, effective TB vaccine requires overcoming challenges in immunology, animal models, funding, and global infrastructure.
Area of Science:
- Immunology
- Vaccinology
- Infectious Diseases
- Public Health
Background:
- Bacillus Calmette-Guérin (BCG) is the only licensed vaccine against tuberculosis (TB), yet its efficacy is limited.
- Emerging drug-resistant Mycobacterium tuberculosis strains necessitate novel vaccine strategies.
- The global burden of TB remains high, underscoring the urgent need for improved prevention methods.
Purpose of the Study:
- To review the current landscape of TB vaccine research and development.
- To discuss the immunological, logistical, and financial challenges impeding TB vaccine advancement.
- To identify opportunities for facilitating the development of a more efficacious TB vaccine.
Main Methods:
- Literature review of current TB vaccine research.
- Analysis of immunological correlates of protection.
- Assessment of animal models for TB vaccine evaluation.
- Examination of global TB epidemiology and public health infrastructure.
Main Results:
- BCG's limitations highlight the need for alternative TB vaccines.
- Key challenges include lack of immune correlates, inadequate animal models, and funding gaps.
- An adolescent/adult TB vaccine could maximize public health impact but requires global coordination.
Conclusions:
- Developing a new TB vaccine is complex, facing scientific and logistical hurdles.
- Addressing challenges in immunology, animal models, funding, and infrastructure is crucial.
- Global collaboration and strategic planning are essential for advancing TB vaccine development and deployment.
Related Concept Videos
Vaccinations
Overview
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...
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 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:
The first classification is based on the development of the disease, and it includes the following categories:
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...
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 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...
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...
Vaccines
Vaccines are among the most effective tools in preventive medicine, designed to prepare the immune system to recognize and combat infectious agents. By introducing antigens—substances that the immune system identifies as foreign—vaccines stimulate an adaptive immune response that leads to immunological memory. This immunological memory enables the body to mount a faster and more effective response upon future exposures to the actual pathogen.Vaccines can be categorized based on the type of...

