The health cloud nucleic acid registration code is not a dynamic QR code. The QR code generated after registration is valid for a long time. Until this QR code is used for nucleic acid detection, the QR code will be invalid after the detection is completed.
Nucleic acid registration code search tutorial: 1, enter the health cloud; 2. Click "nucleic acid detection service"; 3. Click "Personal Detection Registration" to get the code.