Lessons from the COVID-19 pandemic for ventilation and indoor air quality | Science

September 13, 2026

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Indoor air pollution has serious immediate and long-term consequences; however, ensuring that indoor air is clean has not been a high priority for societies. One of the consequences of neglecting indoor air quality is the presence of pathogenic viruses in indoor air. They cause local outbreaks of the common cold and seasonal influenza epidemics or pandemics, which are often caused by novel viruses. ….
First, most modern public buildings—such as offices, shopping malls, or entertainment venues—are mechanically ventilated and do not have windows that can be opened (Fig. 2). It is expected that they are adequately ventilated, but, in reality, this is often not the case (16). Contemporary buildings are not designed with provision of good indoor air quality as a requirement, and specifically not with an objective of controlling airborne infection transmissions.
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https://www.science.org/doi/10.1126/science.adp2241

Morawska, L., Li, Y., & Salthammer, T. (2024). Lessons from the COVID-19 pandemic for ventilation and indoor air quality. Science, 385(6707), 396–401. https://doi.org/10.1126/science.adp2241