Dr Richard Bruns is a Senior Scholar at the Johns Hopkins Center for Health Security, and before that was a Senior Economist at the US Food and Drug Administration (the FDA). In this episode we talk about the importance of indoor air quality (IAQ), and how to improve it. Including: Estimating the DALY cost of unclean indoor air from pathogens and particulate matter How much pandemic risk could be reduced from improving IAQ? How economists convert health losses into dollar figures — and how not to put a price on life Key interventions to improve IAQ Air filtration Germicidal UV light (especially Far-UVC light) Barriers to adoption, including UV smog and empirical studies needed most National and state-level policy changes to get these interventions adopted widely You can get in touch through our website or on Twitter. Consider leaving us an honest review wherever you're listening to this — it's the best free way to support the show. Thanks for listening!