Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Transmission-based Precautions II: Airborne and Protective Environment01:25

Transmission-based Precautions II: Airborne and Protective Environment

1.8K
Transmission-based precautions are for patients infected or suspected to be infected (or colonized) with organisms posing a significant risk to others. The transmission precautions include airborne and protective environment precautions.
Airborne precautions:
Use airborne precautions when treating patients known or suspected to have diseases that spread through the air—for example, tuberculosis or measles. These organisms are present in smaller droplets expelled by an infected person and...
1.8K
Transmission-based Precautions I: Contact, Enteric, and Droplets01:17

Transmission-based Precautions I: Contact, Enteric, and Droplets

4.4K
Transmission-based precautions are for patients known to be infected or suspected to be infected or colonized with organisms that pose a significant risk to others. Some transmission-based precautions include contact, enteric, and droplet.
Contact Precautions:
Contact precautions are the measures taken to prevent the transmission of infectious agents, especially epidemiologically important microorganisms such as MRSA or influenza, primarily transmitted through direct or indirect contact with an...
4.4K
Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

745
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...
745
Infection01:20

Infection

11.4K
When a pathogen enters the body and reproduces, it can cause an infection, damage body cells, and cause illness symptoms that eventually lead to disease. Therefore, its prevention requires breaking the chain of infection.
The chain begins with pathogens: bacteria, viruses, fungi, prions, or parasites such as protozoa helminths. These can be present on the skin as transient or resident flora, or they can be acquired from the environment. Identifying and treating the type of infection and...
11.4K
Standard Precaution01:26

Standard Precaution

2.6K
Standard precautions are the minimum infection control safeguards used while caring for all patients, irrespective of their disease condition. They help prevent the spread of common infectious microorganisms to healthcare workers, patients, and visitors in all healthcare settings.
Hand hygiene is the most crucial means to prevent the transmission of disease. Employers are legally required to provide their workers with personal protective equipment (PPE) to minimize exposure or contact with...
2.6K
Healthcare Associated Infections II: Preventive Measures01:22

Healthcare Associated Infections II: Preventive Measures

3.5K
Essential infection prevention measures are based on the knowledge of the infection chain, the modes of transmission in healthcare settings, and the use of the best practices in all healthcare settings. Compulsory public reporting of healthcare-associated infection rates is needed to allow individuals and the community to make informed choices regarding selecting a healthcare facility.
The best practices for preventing healthcare-associated infections include hand hygiene, patient risk...
3.5K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Quantifying crowding-ventilation effect on respiratory infections.

Nature communications·2026
Same author

Quantifying the stability of influenza virus during evaporation and suspension phases using a novel bioaerosol experimental system.

Journal of hazardous materials·2026
Same author

Empathy and Humanistic Care Ability in Oncology Nurses: The Mediating Role of Emotional Intelligence.

Journal of advanced nursing·2025
Same author

Predicting cyanobacteria removal efficiency in flocculation-DAF: Improving interpretable automated machine learning with CVAE data augmentation.

Water research·2025
Same author

The role of mobility and air-conditioning in prenatal temperature exposure and birth outcomes: A prospective birth cohort study in Guangzhou.

Environmental research·2025
Same author

Quanta emission rate during speaking and coughing mediated by indoor temperature and humidity.

Environment international·2025

Related Experiment Video

Updated: Dec 24, 2025

Safety Precautions and Operating Procedures in an ABSL-4 Laboratory: 3. Aerobiology
11:13

Safety Precautions and Operating Procedures in an ABSL-4 Laboratory: 3. Aerobiology

Published on: October 3, 2016

15.0K

Potential airborne transmission between two isolation cubicles through a shared anteroom.

Jian Hang1, Yuguo Li2, W H Ching3

  • 1Department of Atmospheric Sciences, School of Environmental Science and Engineering, Sun Yat-Sen University, Guangzhou, PR China.

Building and Environment
|April 15, 2020
PubMed
Summary

Airborne pathogens can spread between isolation cubicles through a shared anteroom when a door is open. Reducing door opening time and increasing air changes can minimize this infection risk.

Keywords:
Computational fluid dynamic (CFD) simulationDoor motionFull-scale field experimentInter-cubicle airborne transmissionIsolation room

More Related Videos

Operating and Biocontainment Procedures of a Facility for Laboratory Mice with a Natural Microbiome: Immunophenotyping Procedure
05:34

Operating and Biocontainment Procedures of a Facility for Laboratory Mice with a Natural Microbiome: Immunophenotyping Procedure

Published on: December 13, 2024

975
Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber
08:47

Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber

Published on: March 3, 2023

2.9K

Related Experiment Videos

Last Updated: Dec 24, 2025

Safety Precautions and Operating Procedures in an ABSL-4 Laboratory: 3. Aerobiology
11:13

Safety Precautions and Operating Procedures in an ABSL-4 Laboratory: 3. Aerobiology

Published on: October 3, 2016

15.0K
Operating and Biocontainment Procedures of a Facility for Laboratory Mice with a Natural Microbiome: Immunophenotyping Procedure
05:34

Operating and Biocontainment Procedures of a Facility for Laboratory Mice with a Natural Microbiome: Immunophenotyping Procedure

Published on: December 13, 2024

975
Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber
08:47

Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber

Published on: March 3, 2023

2.9K

Area of Science:

  • Environmental Engineering
  • Infectious Disease Control
  • Aerosol Science

Background:

  • Isolation cubicles with negative pressure are effective for containing airborne pathogens when doors are closed.
  • Shared anterooms in healthcare settings can pose risks for inter-cubicle transmission of airborne agents.

Purpose of the Study:

  • To investigate airborne pathogen transmission between adjacent isolation cubicles via a shared anteroom.
  • To quantify the impact of door opening duration and air change rates on contaminant exchange.

Main Methods:

  • Conducted full-scale experiments and computational fluid dynamics (CFD) simulations.
  • Analyzed airflow patterns and contaminant transport during door opening and closing events.
  • Varied door open durations (10s, 30s, 60s) and air change rates (34-8.5 ACH).

Main Results:

  • The door sweeping effect during opening/closing causes two-way airflow and contaminant exchange.
  • Buoyancy-driven flow due to temperature and concentration gradients enhances transmission when doors remain open.
  • Longer door open durations and lower air change rates significantly increase airborne pathogen transfer to clean cubicles.

Conclusions:

  • Keeping isolation cubicle doors open for extended periods is a major contributor to inter-cubicle airborne transmission.
  • Strategies to mitigate risk include minimizing door open duration, increasing air change rates, and using doorway curtains.
  • Shared anterooms require careful design and operational protocols to prevent cross-contamination in healthcare facilities.