Assessing Indoor Air Quality and ventilation to limit the spread of airborne pathogens – a review

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The corona pandemic underlined a lack of Indoor Air Quality (IAQ) and
ventilation. Consequently, to limit the spread of the virus, researchers explored several indicators that, through different approaches, assess IAQ and ventilation performance in indoor spaces. This paper gives an overview of those indicators and assessment methods used to evaluate IAQ and ventilation regimes focusing specifically on airborne pathogens. This review considers studies from before and during the COVID-19 pandemic. The indicators found fit into three categories: dose, building, and occupant-related indicators. Studies exploring assessment methods found in this review are grouped according to their themes: aerosol dispersion, ventilation, infection risk, design parameters, and human behaviour. The review showed a need for a holistic definition for IAQ indicators that includes all indicators and a holistic approach of studying IAQ including all five themes.
Original languageEnglish
Number of pages4
Publication statusPublished - 2023
Event18th Healthy Buildings Europe Conference 2023 - Aachen, Germany
Duration: 11 Jun 202314 Jun 2023


Conference18th Healthy Buildings Europe Conference 2023


  • indoor air quality
  • aerosol dispersion
  • ventilation
  • numerical modelling
  • computational fluid dynamics
  • assessment

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