Airborne transmission is considered one of the most common ways of transmitting respiratory viruses. The reach of airborne pathogens and persistence of aerosolized particles suspended in the air are a significant concern for the spread of pandemic and seasonal respiratory diseases. This is particularly relevant in indoor spaces where most respiratory infections occur. Controlling the transmission of airborne pathogens is therefore a cornerstone of public health efforts to manage and prevent the spread of infectious diseases, ensuring safety and health for individuals and communities. Technologies that allow such control are essential to address the challenge.

This report is the output of a comprehensive study which evaluates the potential of the current technology landscape for suppressing indoor airborne pathogen transmission. The analysis outlines two main technology groups: those for detecting airborne pathogens and those for decontaminating air and surfaces. It identifies several key technologies in each group, and assesses their maturity, impact, and potential priority for funding. It outlines the drivers, enablers, and barriers for the development and adoption of these technologies, providing insights into factors that may influence their future implementation. It also explores forward-looking perspectives with scenarios for future health crises and offers recommendations for policy and research to address the challenges and leverage the opportunities in the field of indoor air quality.

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Airborne transmission is considered one of the most common ways of transmitting respiratory viruses. The reach of airborne pathogens and persistence of aerosolized particles suspended in the air are a significant concern for the spread of pandemic and seasonal respiratory diseases. This is particularly relevant in indoor spaces where most respiratory infections occur. 

Controlling the transmission of airborne pathogens is therefore a cornerstone of public health efforts to manage and prevent the spread of infectious diseases, ensuring safety and health for individuals and communities. Technologies that allow such control are essential to address the challenge. This report is the output of a comprehensive study which evaluates the potential of the current technology landscape for suppressing indoor airborne pathogen transmission. 

The analysis outlines two main technology groups: those for detecting airborne pathogens and those for decontaminating air and surfaces. It identifies several key technologies in each group, and assesses their maturity, impact, and potential priority for funding. It outlines the drivers, enablers, and barriers for the development and adoption of these technologies, providing insights into factors that may influence their future implementation. It also explores forward-looking perspectives with scenarios for future health crises and offers recommendations for policy and research to address the challenges and leverage the opportunities in the field of indoor air quality. 

The study was conducted during 2024 by European Commission Joint Research Centre (JRC) and Health Emergency Preparedness and Response Authority (HERA).

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Decision makers are faced with a world characterised by increasing turbulence, uncertainty, novelty, and ambiguity. These conditions make it more difficult to assess risks when making strategic decisions or planning for the long-term. This project from the European Commission Joint Research Centre (JRC) EU Policy Lab starting 2023 presents a foresight approach to increase preparedness for unexpected developments and the risks they could create.

Foresight methods offer a way to consider and focus on risks that may be beyond the scope of traditional quantitative and qualitative risk assessment approaches. Several snapshots of the future depict different worlds that have undergone substantial changes as a consequence of emerging developments. An analysis of the risks inherent in the possible futures identified ten risk clusters that are relevant for decision makers, and mapped future developments that might lead to them.The same development pathways that could lead to risks can also create opportunities, and the study provides some examples. Decision makers face the challenge of mitigating the adverse effects of risks, while reaping the benefits of potential opportunities. This study also presents the results of a Delphi survey that evaluated the scope and severity of risks. Three of the 40 risks identified in this study were assessed to be potentially existential for humanity: 1) environmental degradation, 2) environmental disasters, and 3) loss of power by humans. The project started in 2023 and will run until 2024. Next in the development is an engagement tool for policymakers to push the boundaries of foresight on risks in their specific policy making domain. Stay tuned for its launch, later in autumn 2024! 

Download the Risks on the horizon report  

Read the blog post from the authors