We’re tracking the latest on the coronavirus outbreak and the global response. Sign up here for our daily newsletter on what you need to know. China has been able to beat back successive waves of Covid-19 thanks to the widespread deployment of snap lockdowns, strict quarantines and some of the world’s tightest travel controls. Yet, the strain is showing at its borders. Case in point is Ruili, a city in remote southwestern China that is hemmed in by a 169 kilometer (105 mile) border with Myanmar on three sides. The city, which thrives on cross-border trade, has sent its 268,000 people into lockdown four times in the past seven months alone. Retailers and restaurants have gone out of business. Locals are largely barred from leaving, and the area is languishing amid restrictions designed to find and extinguish infections as they find ways across the border and spread. The toll […]