The app is completely confidential, anonymous, and transparent, as it only stores data on the user’s phone and does not transfer user’s information or locations to the system.

As of August 3, the app had 2.3 million downloads. Prime Minister Nguyen Xuan Phuc has called for the community to install Bluezone to facilitate the early detection of suspected cases.

He urged the Ministry of Information and Communication and Ministry of Health to enhance communications to promote universal installation before August 8./.VNA

Apps rolled out to fight pandemic

Those with smartphones would do well to download Bluezone, a Bluetooth-based app that helps determine if a person has come in contact with a COVID-19 patient,