Apple and Google make exposure notification API available; 22 countries and multiple states that requested access will now be able to release apps that access the API

Darrell Etherington / TechCrunch
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MA, NY, CA pursue traditional human-based contact tracing strategy, shunning digital solutions; Experts push for human-based national strategy
Apple and Google release developer resources for Exposure Notification UI; Includes policies barring location tracking, limiting to one app per country, and requiring explicit user permissions