Extensive contact tracing has slowed viral spread, but some say publicizing people’s movements raises privacy concerns.
For the past month, South Korean residents have been receiving flurries of emergency text messages from authorities, alerting them to the movements of local people with COVID-19. Epidemiologists say that detailed information about infected people’s movements is crucial for tracking and controlling the epidemic, but some question whether it’s useful to make those data public. Some say it could even be harmful.
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Additional access options:doi: https://doi.org/10.1038/d41586-020-00740-y
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