My article in @ForeignAffairs today. "Deployed correctly, border management can enable international travel to continue, albeit at lower levels, in ways that genuinely control and mitigate the risk of COVID-19." Special thx to @Rhys_Dubin foreignaffairs.com/articles/world… 2/8 Scientific evidence on travel restrictions evolved since #COVID19 - combination of novel pathogen spread by asymptomatic travellers and interconnected of globalization posed unprecedented challenge for governments at borders.