Source: China – South China Morning PostWhen the eastern Chinese city of Hangzhou detected a Covid-19 case a few days back, it did not worry public relations expert Liu Ling in the least.After all, authorities had immediately sprung into action for what had been a well-practised routine in cities across China the past two years – track and trace every close contact of each new case, and roll out mass nucleic acid tests.It was not until Liu looked up official travel policies that grim realisation struck: she would not be able to go…Read More