Flights may get canceled with little notice, either due to the disease's spread and ever-changing entry restrictions, or simply because fewer people are flying and airlines are having trouble filling seats.
In China, there have been incidents of foreigners being refused rooms by hotel staff, and foreign residents, particularly black people, being kicked out of their apartments on short notice by their landlords.
Instead of using a dedicated app, the system gathered tracking information from a variety of sources including mobile device tracking data and card transaction data, and combined these to generate notices via text messages to potentially-infected individuals.
IT IS FURTHER ORDERED that as soon as hereafter possible, this Order be filed in the Office of the Secretary of State and that widespread publicity and notice be given of this Order.