A coronavirus outbreak in Beijing’s neighboring city of Tianjin comes just four weeks before the start of the Winter Olympics in the Chinese capital. This means all 15 million Tianjin residents are barred from entering Beijing which is 100 kilometers away. Meanwhile, Beijing’s so-called “Closed Loop” or “Bubble” measures for the Winter Olympics are now in full swing. The Olympics begin Feb. 4. On Jan. 9, the Jinnan District Center for Disease Control and Prevention in Tianjin reported that 20 more people tested positive through COVID-19 PCR testing, a day after 20 others were found to have the virus. Those infected are linked to educational facilities, and the outbreak has spread to at least three schools. The Tianjin Center for Disease Control and Prevention conducted genetic sequencing of the virus in two of the cases and identified the virus at the new Omicron variant. On Jan. 9, the Tianjin municipal government …