Almost 500 students at China’s premier college for broadcast journalists have been sent to a quarantine center after a handful of COVID-19 cases were detected in their dormitory. The 488 students at Communication University of China, along with 19 teachers and five assistants, were transferred by bus beginning Friday night. Quarantining anyone considered to have been in contact with someone who tested positive for the virus has been a pillar of China’s strict “zero-COVID” policy. The quarantine centers include field hospitals as well as converted stadiums and exhibition centers that have been criticized for overcrowding, poor sanitation and spoiled food….