In a recent poll from the Washington Post and the University of Maryland, more than half of smartphone users in America expressed distrust in how big tech companies would handle tracking and reporting coronavirus cases. Additionally, exactly half said they would not use an app to track the spread of coronavirus.
https://www.notebookcheck.net/Half-of-Americans-with-smartphones-don-t-trust-tech-companies-to-properly-handle-COVID-19-tracking.463316.0.html