Shanghai is not Shenzhen, or Beijing, or Chongqing in the same way Jacksonville is not San Francisco. Policy is often extremely localized in China. Where it's successful, it's copied.
This is my quarantine after flying back from Thailand in Mar 2020:https://t.co/5S4UJHMZjD

— Naomi Wu 机械妖姬 (@RealSexyCyborg) April 15, 2022