What do you mean by close contact in time and space?

Close contacts in time and space actually refer to time and space companions, generally referring to people who have had contact with confirm

What do you mean by close contact in time and space?

Close contacts in time and space actually refer to time and space companions, generally referring to people who have had contact with confirmed cases during the epidemic period, while time and space companions refer to people who are in the same spatial range (with a radius of 800 meters) in the same time period, that is, people who are at risk of contact and infection based on the positioning of mobile phone signal base stations.

What do you mean by close contact in time and space?

The word "time-space companion" was first put forward in Chengdu when reporting epidemic control measures. The main purpose of this is to avoid fish escaping from the net during the epidemic control period. Although the delineation accuracy of time and space can not reach 100%, or the scope of time and space will be deliberately expanded to be safer, it is mainly to prevent the underreporting of the epidemic and avoid infection.

Generally, as long as it is defined as accompanying space-time, they will be notified by SMS in time to carry out nucleic acid testing in the lake comprehensive room. If the nucleic acid detection is not carried out in time, the health code on the mobile phone will turn yellow, which is more accurate and convenient for investigation.

Debate on the function of space-time secret connector

Although some people may think that this method involves privacy, it is also a necessary measure in the process of epidemic prevention and control, provided that it only serves the epidemic, rather than grasping and browsing personal privacy at will, and this measure can also better prevent the spread of the epidemic in COVID-19 and clarify or block the infection chain as soon as possible.