How Omicron variant of coronavirus led to bursting of China’s zero-Covid dykes

China succeeded in containing Covid-19 during the first two years of the pandemic, but the emergence last year of a more transmissible variant of the virus that causes the disease proved to be too much of a challenge.


See also  China changes law so it can act if country is insulted at sporting events

This website uses cookies. By continuing to use this site, you accept our use of cookies.