Why do I receive spatio-temporal information and links?

Be careful when linking and look for the source of information carefully. It is recommended to download the National Anti-Fraud Center app.

The concept of "space-time intersection" is the same as that of "accompanying space-time", which refers to the person who stays with the diagnosed patient for 14 days and * * * stays 10 minutes in the same space-time grid (usually 800 m× 800 m as the detection range).

After receiving the information, immediately contact the community, unit or hotel, inform the situation of this short message in time, and implement epidemic prevention and control measures such as nucleic acid detection as required, and try not to go out. If you really need to go out, please wear a mask and don't take public transportation.