jaypinhoswodinsky The problem IMO is the last-mile of the process. Applying the Diagnosis Key to the users' device seems something that would require local doctors to do a degree of technical work, right? And that just doesn't seem within their capabilities right now.
jaypinhoswodinsky Our medical professionals are wearing garbage bags in America. Getting them sending along or applying device keys in a secure regular way seems... low on the priority list.