The estimate, which assumes a best-case scenario of user compliance with self-quarantine instructions, supports claims that apps are a useful tool in fighting the pandemic.
The app, which tracks users’ exposure to coronavirus, was piloted at two campuses and will expand to five more in the University of California system.
A new web-based tool called CogTracer borrows interview techniques used by the justice system to help COVID-19 patients remember who they might have spread the virus to.
A spokesperson said leaving a spreadsheet with personal information accessible to those outside the university's contact tracing team was a "regrettable error."
Privacy-minded apps that use Bluetooth to monitor exposures are being accepted, while a mandatory app tracking students' locations at Albion College is getting less favorable reviews.
The online course will train students in contact-tracing protocols, legal requirements, effective risk communication and how to analyze collected data.