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 3rd 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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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.

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.

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? 

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. 

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.

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.

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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