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