First of all, the sources are different.
1, health code: health code is introduced to the public by urban areas jointly owned by provinces.
2. Bus code: The bus code is provided by the Ministry of Industry and Information Technology.
Organize China ICT Institute and three basic telecom enterprises to launch to the public.
Second, the use is different.
1, health code: health code is not only used to report personal health status, but also to master the action track, such as entering the supermarket, taking the bus and subway.
2. Itinerary code: Itinerary code is used to query the itinerary of domestic cities (staying for more than 4 hours) and overseas visits within 14 days.
Third, the object is different.
1, health code: health code is aimed at urban residents.
2. Travel code: Travel code is for those who come back from work.