An officer sets up a police cordon tape as he wears a protective suit while a building is under lockdown after a large number of residents tested Covid-19 Coronavirus positive

coronavirus virus variant sickness covid19 healthcare protection safety pandemic positive cases policy positive government restrictions lockdown quarantine wave control illness residents mask covid china chinese patients china lockdown chinese testing virus spread pandemic wave virus control pandemic test covid variant mass testing spreading series covid positive covid test coronavirus risk health workers vigilant ppe suit police officers taped police cordon police cordon tape lockdown building police officer policing cordon area lockdown area quarantine building