link to the wall street journal: https://archive.is/9feG5
Public-health officials in the U.S. are striving to keep tabs on thousands of Americans who have quarantined themselves at home after returning from mainland China to curtail the new coronavirus, adding to an epidemic response that is straining already-stretched local departments.
More than 5,400 people had been asked to self-quarantine in California alone as of Feb. 14, according to the California Department of Public Health. Hundreds more are self-quarantining in Georgia, Washington state, Illinois, New York and other states.
Public-health officials are following directions from the Centers for Disease Control and Prevention and the State Department to supervise these people, but many steps are being developed on the fly. States are using a variety of techniques to track people from calling in volunteers to make phone calls, to sending text messages and using electronic registries.
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