Two-meter distancing might halve infection risk compared to one meter

https://www.technologyreview.com/2020/06/02/1002493/two-meter-distancing-halves-risk-compared-to-one-meter-suggests-a-new-review/?truid=e6a9a97f971519b8818ba7420a6d576d&utm_source=the_download&utm_medium=email&utm_campaign=the_download.unpaid.engagement&utm_term=subs&utm_content=06-02-2020