About the new coronavirus contact confirmation app (COCOA)

The Ministry of Health, Labor and Welfare distributes the new Coronavirus Contact-Confirming Application (COCOA) COVID-19 Contact-Confirming Application. This application can contact a positive person of COVID-19 by using the proximity communication function (Bluetooth) of the smartphone to ensure privacy so that they do not know each other, on the premise of the consent of the user himself / herself. It is an application that can receive notifications about sex.

Please install the contact confirmation app to protect yourself, your loved ones, and the community and society.