Who sent the text message at the intersection of time and space?

Spatio-temporal companion refers to the person who stays with the diagnosed patient for 14 days 10 minutes in the same spatio-temporal grid (usually 800 m× 800 m as the detection range).

You should cooperate with the following operations: First, contact your community, unit or hotel immediately, inform the news in time, and implement epidemic prevention and control measures such as nucleic acid detection as required, and do a good job of personal protection;

Second, do health monitoring. If you have symptoms such as fever, dry cough, stuffy nose, runny nose, fatigue, sore throat, and decreased sense of smell (taste), you should go to a medical institution in time and inform the doctor. Please do personal protection during medical treatment and do not take public transport;

Three, actively cooperate with the completion of community epidemic prevention and control measures, and earnestly fulfill the obligation of epidemic prevention and control.