China, where the virus emerged toward the end of 2019, has pursued a zero-tolerance strategy on Covid-19 and is taking the same approach to limit the pandemic's potential impact on the February 4-20 Winter Olympics and subsequent Paralympics
People walk near the Shougang Big Air venue, which will host the big air freestyle skiing and snowboarding competitions at the Beijing 2022 Winter Olympics.
Image: Noel Celis / AFP
Beijing sealed up its Winter Olympic "bubble" on Tuesday, preparing the Games venues, transport and staff for the world's strictest mass sporting event since the global pandemic.
China, where the virus emerged toward the end of 2019, has pursued a zero-tolerance strategy on Covid-19 and is taking the same approach to limit the pandemic's potential impact on the February 4-20 Winter Olympics and subsequent Paralympics.