Do I need to report prevention and control information? Shanghai

Shanghai must report SMS prevention and control.

"The space-time grid is fixed. If the space-time grid area where the confirmed case number is located is larger than the Transit Shopping Plaza, besides the people in the mall, the surrounding activists will also receive relevant reminders.

The person in charge said that big data only plays the role of screening and reminding. Citizens don't have to panic when they receive information. They can check the activity track in time or report it in time according to the content of SMS reminder.