How long does it take for the contact at the intersection of time and space to receive the text message?

If you don't receive it, you should immediately contact your community, unit or hotel, inform the news in time, and implement epidemic prevention and control measures such as nucleic acid detection as required, and do a good job in personal protection. Do health monitoring. If you have symptoms such as fever, dry cough, stuffy nose, runny nose, fatigue, sore throat and decreased sense of smell, you should go to the nearest medical institution in time and inform the doctor.