In some provinces and cities, a pop-up prompt function may appear in the health codes of some epidemic risk groups, so as to better assist in the investigation of key epidemic risk groups, guide the people to fill in their contact history with confirmed cases and their residence history in epidemic risk areas independently, investigate risks in time, control risks as soon as possible, and effectively prevent the spread of the epidemic.
When a pop-up prompt appears for the health code, the pop-up prompt personnel should take the initiative to report to the residential community (village) or unit (hotel), pay attention to answering the phone calls of grassroots investigators and cooperate with them to complete the risk investigation. If they don't cooperate with them, the "pop-up window" can't be lifted.
If it is defined as a space-time companion, its health code will be given a yellow code. At this time, the space-time partner should take the initiative to do two nucleic acid tests within three days (the interval must be more than 24 hours), and carry out self-health monitoring for three days (report any abnormality in time). If the results are all negative, it can automatically turn into a green code. Those who meet the transcoding conditions and fail to transcode automatically shall register with the local community (village) and street (township) with relevant certificates and apply for changing the yellow code to the green code.