That paper is very good. And got the UK to reverse their disastrous "herd immunity" strategy. Sadly https://www.theguardian.com/world/2020/mar/18/top-uk-covid

That paper is very good. And got the UK to reverse their disastrous "herd immunity" strategy. Sadly https://www.theguardian.com/world/2020/mar/18/top-uk-covid-19-expert-neil-ferguson-self-isolates-after-developing-symptoms https://www.theguardian.com/world/2020/mar/18/top-uk-covid-1... says that the lead author of the study has COVID and likely was infectious while he attended a press conference on COVID.