Hotels as quarantine facilities with airborne virus controls
These videos have been matched automatically. Contact us if they are not relevant.
These videos have been matched automatically. Contact us if they are not relevant.
View abstract on PubMed
Summary
This summary is machine-generated.This study introduces an air-cleaning strategy using a validated model for quarantine hotels to control viral aerosol transmission. The best strategy significantly reduced infection risk, proving crucial for pandemic public health measures.
Area Of Science
- Environmental Health Engineering
- Infectious Disease Control
- Building Science
Background
- Hotels repurposed as quarantine facilities during COVID-19 often lacked effective air-cleaning systems.
- Viral aerosol transmission, particularly between zones, posed a significant risk to quarantine effectiveness.
- Controlling inter-zonal transmission is critical for isolating infected individuals in shared facilities.
Purpose Of The Study
- To design and evaluate effective air-cleaning strategies for quarantine hotels.
- To assess strategies for minimizing viral aerosol transmission, especially between different zones.
- To develop an index for evaluating the performance of air-cleaning infrastructure.
Main Methods
- Development of a validated multi-zone model of an actual quarantine hotel.
- Introduction and application of the inter-zonal air exchange rate (zACH) index.
- Evaluation of various air-cleaning strategies, including UVGI, HEPA filters, air curtains, and combined approaches.
Main Results
- The inter-zonal air exchange rate (zACH) significantly improved with air-cleaning strategies.
- Individual air-cleaning devices (UVGI, HEPA, air curtains) yielded zACH values of 3.5, 2.8, and 1.7 1/h, respectively.
- The optimal combined strategy achieved a zACH of 8.5 1/h, reducing maximum infectious exposure risk to below 0.4% in rooms and 1.6% in corridors.
Conclusions
- A comprehensive air-cleaning strategy can effectively mitigate viral aerosol transmission in quarantine hotels.
- Optimizing air-cleaning requires balancing effectiveness with cost and energy considerations, as performance is not linear with device count.
- The findings provide a framework for improving infection control in quarantine settings and inform future pandemic mitigation efforts.
These videos have been matched automatically. Contact us if they are not relevant.
These videos have been matched automatically. Contact us if they are not relevant.
Related Concept Videos
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...
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...
When conducting an experiment, it is crucial to have control to reduce bias and accurately measure the dependent variables. It also marks the results more reliable. Controls are elements in an experiment that have the same characteristics as the treatment groups but are not affected by the independent variable. By sorting these data into control and experimental conditions, the relationship between the dependent and independent variables can be drawn. A randomized experiment always includes a...
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...
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...
Radiation and filtration are essential tools for microbial control, targeting microorganisms through distinct mechanisms. Radiation eliminates microbes by damaging their DNA, either killing them or inhibiting their growth. Based on wavelength, radiation is classified into two types: nonionizing and ionizing radiation.Non-ionizing radiation, such as UV radiation (200–400 nm), is absorbed by DNA, causing defects that effectively disinfect surfaces, air, and water, including safety cabinets.