How Chinese government mobilizes millions covid guards (who are usually communist party menbers) to enforce the qr code vaccine passports rule?
The grid management system is the answer
For serious readers i recommend two

Breaking news!
Harbin city (near Russia)
Hundreds of people are being sent off to covid quarantine camps with this train!
Isn't this almost identical Hitler's final solution's train to Auschwitz camp?
Please share it with your friends.
Arise, Ye who refuse to be slaves!
11/6/2021

Algorithm of time/spatial tracing of covid suspicious in china. Blue is patient,brown is a normal. Any browns within 1 miles ( 800m of radius) in the same 14 days with blue(＞ 10 minutes)the brown will be marked by yellow or red bar codes, to be barred from school, shop or train