translation: after screening the focus groups, a total of 18| coronavirus infections were detected among the close contacts in tianjin, and all of them have been transferred to designated hospitals for treatment and quarantine. technically, the city of tianjin isn't under lockdown, but some districts have already been sealed off. the residents inside have been told they must get tested quickly if they want to leave. the prospect of a full omicron outbreak in tianjin will raise alarm bells in beijing. tianjin isjust 150 kilometres from china's capital, in less than a month's time. and the lunar new year travel season is also due to start soon. it's usually the biggest holiday of the year. several chinese cities have already instituted strict lockdown is as they attempt to eliminate covid. the northern city of xi'an has been dealing with the biggest outbreak of the virus since it first emerged in the city of wuhan, marking the start