covid-19 | AIVC

AIVC Newsletter issue #20 – September 2021 now available

The September 2021 issue of the AIVC newsletter has just been released. Specific contents include:

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AIVC Newsletter, Special Issue COVID-19, July 2021

The 3^rd special issue of the AIVC newsletter - one of the outcomes of the AIVC project ‘Ventilation, airtightness and COVID‐19’- has just been released! The newsletter aims to disseminate information about COVID‐19 in relation to ventilation and airtightness. As in previous issues a new set of question and answers is provided to address issues in relation to COVID‐19 and building ventilation in line with most recent scientific understanding.

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Can we use ventilation with outdoor air during high pollution events outdoors?

REMARK: This Q&A was part of the AIVC special COVID-19 newsletter published in July 2021. To subscribe to the newsletter please click here.

Is there good evidence that germicidal UV (GUV) could be beneficial for decontamination of infectious aerosols in occupied environments?

REMARK: This Q&A was part of the AIVC special COVID-19 newsletter published in July 2021. To subscribe to the newsletter please click here.

Should I close my bathroom window due to SARS-COV-2?

REMARK: This Q&A was part of the AIVC special COVID-19 newsletter published in July 2021. To subscribe to the newsletter please click here.

The decision to open or close a bathroom window depends on other aspects such as: 1) Is it the only provision to ventilate the bathroom?, 2) Is there also an extraction mechanically or naturally?

How to use the openable windows to provide sufficient ventilation to limit SARS-CoV-2 transmission in class rooms?

REMARK: This Q&A was part of the AIVC special COVID-19 newsletter published in July 2021. To subscribe to the newsletter please click here.

Opening windows almost always reduces the risk of contamination with SARS-CoV-2. But it is important to be aware of low outdoor air temperatures that could affect the comfort of occupants and exacerbate related health problems.

What air change rate one can expect when a window is open in a room with doors closed?

REMARK: This Q&A was part of the AIVC special COVID-19 newsletter published in July 2021. To subscribe to the newsletter please click here.

What is the impact of a poor ductwork airtightness on the SARS-CoV-2 infection risk?

REMARK: This Q&A was part of the AIVC special COVID-19 newsletter published in July 2021. To subscribe to the newsletter please click here.

What information does the AIVC provide about COVID-19?

Although close contact transmission is the dominant transmission route, long-range airborne transmission through small size infected aerosols plays an important role in spreading COVID-19 in indoor spaces. Ventilation is air exchange between inside and outside; it dilutes the concentration of contaminants, and hence helps to control aerosol-based cross-infection risk of COVID-19.

AIVC & EBC Annex 86 Webinar “Building ventilation: How does it affect SARS-CoV-2 transmission?”

The recordings and the slides of the recent AIVC & EBC Annex 86 Webinar “Building ventilation: How does it affect SARS-CoV-2 transmission?” held on April 1st, 2021, are now available online at: https://www.aivc.org/event/1-april-2021-webinar-building-ventilation-how-does-it-affect-sars-cov-2-transmission

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