Beijing on Jan. 23 introduced new COVID-19 measures as it faces a “severe and complicated” battle to contain the virus less than two weeks before the opening of the Winter Olympic Games. After identifying a handful of positive cases in the district of Fengtai, officials have organized nucleic acid tests for the district’s 2 million residents, starting from 6 a.m. on Sunday, district health authorities said. The testing will be completed in one day, officials added. “The epidemic prevention is severe and complicated,” Xu Hejian, the spokesperson of the Beijing government, said at Sunday’s press briefing. Xu added that officials must take “the most resolute, decisive, and strict” measures to contain the outbreak. The authorities said people who live in areas deemed “at risk” are not allowed to leave the city. Some kindergartens in Fengtai district told parents that unvaccinated children are not allowed to attend, citing new government regulations, …