San Francisco Ramps Up Back-To-Basics Contact Tracing To Stop COVID-19
Citing concerns about privacy and civil liberties, the city's not relying on a smartphone app to track cases. Instead, it's recruiting public health staff, librarians and med students to make calls.
Read more on NPR
Làm đẹp Blog 247 April 16, 2020 at 09:46PM
Category Health & Science
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