Thanks, great post. When you visit London, you should also measure your exposure to PM2.5, PM10, NO, NO2, ... - the risk of catching a virus is only one risk fr

Thanks, great post. When you visit London, you should also measure your exposure to PM2.5, PM10, NO, NO2, ... - the risk of catching a virus is only one risk from your cocktails of risk types. https://eu.usatoday.com/story/news/world/2017/04/10/london-toxic-air-pollution-killing-thousands-every-year/100304958/ https://eu.usatoday.com/story/news/world/2017/04/10/london-t... https://www.london.gov.uk/press-releases/mayoral/londons-toxic-air-is-triggering-asthma-attacks https://www.london.gov.uk/press-releases/mayoral/londons-tox... https://www.unep.org/news-and-stories/press-release/revealed-every-londoner-exposed-dangerous-toxic-air-particles https://www.unep.org/news-and-stories/press-release/revealed...