![]() | This article includes a list of general references, but it lacks sufficient corresponding inline citations. (April 2021) |
Original author(s) | COVID-19 Radar Japan[1] |
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Developer(s) | Ministry of Health, Labour and Welfare |
Initial release | June 19, 2020[2] |
Stable release | 1.4.1
/ November 26, 2021[3] |
Repository | |
Written in | C# |
Operating system | |
Available in | 3 languages[5] |
License |
|
Website | www |
COVID-19 Contact-Confirming Application (COCOA) is a COVID-19 application for smartphones provided by the Ministry of Health, Labour and Welfare of Japan. The application uses Bluetooth to detect and record suspected close contacts between users. If the contact is diagnosed with COVID-19, the user will be notified. After receiving the notification, the user can consider self-isolation or go to a medical institution for treatment.