Have the data of Guangdong Province been updated? Won't the nucleic acid test be updated? How did the yellow code and the red code come from and how were they bound? China company

The health code system is updated in real time according to the comprehensive situation of citizens. If you stay in the epidemic area or contact with high-risk personnel, the health code will be changed to red team. During the epidemic period after the health code goes online, the status of each citizen during the epidemic prevention and control period can be judged through the dynamic management of green, yellow and red, and the code can be displayed in and out of residential quarters, offices, restaurants and other occasions to facilitate the needs of the general public for work, life and travel.