People in China are using apps on mobile phones to follow and perhaps help slow the spread of the new coronavirus, COVID 19. Some of the apps provide the latest information about areas hit by the virus, while others collect data on infected persons. The Chinese government is working with two of the country’s largest technology companies to keep track of the disease.

How is China following the spread of COVID-19, according to this article?
census reports
apps on smart phones
phone calls
surveys
This article featured the country of China
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