Beijing is on alert after 10 middle school students tested positive for COVID-19 on Friday, in what city officials said was an initial round of testing.
Beijing is on alert after 10 middle school students tested positive for COVID-19 on Friday, in what city officials said was an initial round of testing.
Beijing is on alert after 10 middle school students tested positive for COVID-19 on Friday, in what city officials said was an initial round of testing.