Health code:
200211The National Development and Reform Commission, in conjunction with various departments, issued the Opinions on Doing a Good Job in 20021Spring Festival travel rush and Strengthening the Prevention and Control of Spring Festival travel rush's Emergency Transportation, demanding that "health code" be popularized nationwide during the emergency transportation in Spring Festival travel rush to avoid gathering due to scanning code. National Mutual Recognition of Health Codes during 20021Spring Festival travel rush. Adding "code" to "code" is an example, which is quite special. If there are real reasons for not being able to recognize each other with other regions for the time being, it shall be reported in advance.
Travel code:
China Institute of Information and Communication, together with China Telecom, China Mobile and China Unicom, obtained the data received by mobile phones through the location of their base stations, and provided free inquiry service for 654.38+06 billion mobile phone users nationwide. Through this service, mobile phone users can query all the city information they have been to in the previous 654.38+04 days.