Tianfu health code distribution before or after yellow code SMS prompt?

Tianfu health code will turn yellow after being prompted by yellow code SMS.

1. When you receive a short message that is recognized as a time companion, the health code will change from green to yellow. At this time, it is necessary to report to the community, neighborhood Committee, unit or hotel where you live in time. Then immediately carry out nucleic acid detection, which needs to be completed twice within 72 hours, with an interval of 24 hours. We need to be isolated at home until the results come out.