More likely: might be welding doors shut on vacated and condemned ("infected") buildings.
Weld the door shut. Place a sign on their saying: "DO NOT ENTER, DISEASED BUILDING." [/intentional-lost-in-translation] "ANYONE CAUGHT INSIDE WILL BE SENT TO PRISON"
The 'bad part' of all this^, is when they take the residents to the local quarantine center guarantying their future infection.
And, I know this is more shocking, but most all buildings have ....wait for it .... wait ... windows ... made of ..... glaaaaassssss.
There are a lot of anti-communist-china people with cell phones and social media accounts (with VPNs).
Not surprisingly, many of these people are Chinese, living inside China and HK and Taiwan as well.