Banning all travel is better at controlling a pandemic than reopening with quarantine

US, UK and Canadian researchers found crude blanket bans were easier to enforce, despite being politically contentious and economically damaging. https://www.dailymail.co.uk/news/article-8579875/Banning-travel-better-controlling-pandemic-reopening-quarantine.html?ns_mchannel=rss&ns_campaign=1490&ito=1490