scholarly journals Control of airborne infectious diseases in ventilated spaces

2009 ◽  
Vol 6 (suppl_6) ◽  
Author(s):  
Peter V. Nielsen
Keyword(s):  
Indoor Environment ◽  
Cross Infection ◽  
Air Distribution ◽  
Air Flow Rate ◽  
Displacement Ventilation ◽  
Aircraft Cabins ◽  
Airborne Infection ◽  
Source Of Infection ◽  
Personalized Ventilation ◽  
Hospital Wards

We protect ourselves from airborne cross-infection in the indoor environment by supplying fresh air to a room by natural or mechanical ventilation. The air is distributed in the room according to different principles: mixing ventilation, displacement ventilation, etc. A large amount of air is supplied to the room to ensure a dilution of airborne infection. Analyses of the flow in the room show that there are a number of parameters that play an important role in minimizing airborne cross-infection. The air flow rate to the room must be high, and the air distribution pattern can be designed to have high ventilation effectiveness. Furthermore, personalized ventilation may reduce the risk of cross-infection, and in some cases, it can also reduce the source of infection. Personalized ventilation can especially be used in hospital wards, aircraft cabins and, in general, where people are in fixed positions.

scholarly journals An air distribution optimization of hospital wards for minimizing cross-infection

2021 ◽  
Vol 279 ◽  
pp. 123431 ◽  
Author(s):  
Ji-Xiang Wang ◽  
Xiang Cao ◽  
Yong-Ping Chen
Keyword(s):  
Cross Infection ◽  
Air Distribution ◽  
Hospital Wards

Experimental investigation of air distribution in an airliner cabin mockup with displacement ventilation

2021 ◽  
pp. 107577
Author(s):  
Mingxin Liu ◽  
Di Chang ◽  
Junjie Liu ◽  
Shengcheng Ji ◽  
Chao-Hsin Lin ◽  
...  
Keyword(s):  
Experimental Investigation ◽  
Air Distribution ◽  
Displacement Ventilation

Computational Modeling of Particulate Pollutant Transport in a Ventilated Room in the Presence of Two Heated Breathing and Rotating Manikins

2017 ◽  
Author(s):  
Seyed Ali Keshavarz ◽  
Mazyar Salmanzadeh ◽  
Goodarz Ahmadi
Keyword(s):  
Air Quality ◽  
Computational Modeling ◽  
Indoor Air Quality ◽  
Indoor Air ◽  
Rotational Motion ◽  
Indoor Environment ◽  
Ventilation System ◽  
Thermal Plume ◽  
Displacement Ventilation ◽  
Simulation Results

Recently, attention has been given to indoor air quality due to its serious health concerns. Clearly the dispersion of pollutant is directly affected by the airflow patterns. The airflow in indoor environment is the results of a combination of several factors. In the present study, the effects of thermal plume and respiration on the indoor air quality in a ventilated cubicle were investigated using an unsteady computational modeling approach. The person-to-person contaminant transports in a ventilated room with mixing and displacement ventilation systems were studied. The effects of rotational motion of the heated manikins were also analyzed. Simulation results showed that in the cases which rotational motion was included, the human thermal plume and associated particle transport were significantly distorted. The distortion was more noticeable for the displacement ventilation system. Also it was found that the displacement ventilation system lowered the risk of person-to-person transmission in an office space in comparison with the mixing ventilation system. On the other hand the mixing system was shown to be more effective compared to the displacement ventilation in removing the particles and pollutant that entered the room through the inlet air diffuser.

IMPORTANCE OF TOOTH-BRUSH DISINFECTION IN SARS Cov-2.

2021 ◽  
pp. 1-1
Author(s):  
Akash Bhatt ◽  
Neel Gupta ◽  
Lavisha Garg
Keyword(s):  
Viral Load ◽  
Severe Acute Respiratory Syndrome ◽  
Family Members ◽  
Cross Infection ◽  
Viable Option ◽  
Source Of Infection ◽  
Potential Source

As public distribution of vaccines against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is underway, prevention of coronavirus disease 2019 (COVID-19) relies on minimizing spread. Toothbrushes are a potent source of infection as it harbours the microorganisms and increases the viral load as well. It also increases the chances of cross infection among family members. Therefore disinfecting toothbrushes after every use may be a viable option to decrease the total viral load as well as to limit the chances of cross - infection. This communication aims to focus on the fact that toothbrushes may be another potential source of infection in this pandemic, thereby this needs to be disinfected after every use and once person is recovered, it should be replaced with a new one.

scholarly journals Ultrasound scan as a potential source of nosocomial and cross-infection: a literature review

2015 ◽  
Vol 48 (5) ◽  
pp. 319-323 ◽  
Author(s):  
André Hadyme Miyague ◽  
Fernando Marum Mauad ◽  
Wellington de Paula Martins ◽  
Augusto César Garcia Benedetti ◽  
Ana Elizabeth Gomes de Melo Tavares Ferreira ◽  
...  
Keyword(s):  
Literature Review ◽  
Cost Benefit ◽  
Cross Infection ◽  
Ultrasound Scan ◽  
Benefit Ratio ◽  
Source Of Infection ◽  
Potential Source ◽  
Cost Benefit Ratio ◽  
The Cost

AbstractThe authors review the main concepts regarding the importance of cleaning/disinfection of ultrasonography probes, aiming a better comprehension by practitioners and thus enabling strategies to establish a safe practice without compromising the quality of the examination and the operator productivity. In the context of biosafety, it is imperative to assume that contact with blood or body fluids represents a potential source of infection. Thus, in order to implement cleaning/disinfection practice, it is necessary to understand the principles of infection control, to consider the cost/benefit ratio of the measures to be implemented, and most importantly, to comprehend that such measures will not only benefit the health professional and the patient, but the society as a whole.

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