Which is more reliable, travel code or health code?

Travel card and health code are two kinds of electronic certificate commonly used in life, which can show whether you have been to middle and high-risk areas, whether you have been in contact with confirmed patients and close contacts, and contribute to epidemic prevention and control. There are some differences between health code and travel card, and their functions are different, so they cannot be used instead.

Health code:

Through the health codes of different colors, we can quickly identify whether a person has passed through provinces and cities with serious epidemic situation, or whether he has directly or indirectly contacted some infected people. Then, through the analysis of big data, we can directly find some infected people. This is in the early stage of epidemic prevention and control, so the practical significance is still very significant. Laiyang headline

The function of health code is not to prove that you are healthy, otherwise you are not allowed to declare your physical condition and then report it. In fact, it is a QR code similar to an electronic identity. In addition to reporting personal health, its function is mainly to master your action track. For example, entering shopping centers and supermarkets, taking buses, subways, planes and trains, all need to scan the health green code.