The asterisk in the trip code means that you've been to a medium-high risk area in the previous 14 days, and the asterisk is primarily a travel alert, not a representation of your health.

Communication big data itinerary card is by the China Academy of Information and Communication Technology in conjunction with China Telecom, China Mobile, China Unicom three basic telecommunications enterprises using communication big data for China's cell phone users to provide free query service, cell phone users can use the service, query my previous 14 days to all the cities and municipalities of information.