Tau ob peb hnub tam sim no, Covid-19 kis thoob qhov txhia chaw tau pom meej tias ...
Tau ob peb hnub tam sim no, Covid-19 kev kis thoob qhov txhia chaw tau ua rau muaj kev lag luam vaping thiab nws txoj kev lag luam hauv kev mob. Ntawm peb theem, peb tau xaiv los ua kom cov kws tshaj lij ...