[Japon] Glitches and design flaws limit value of Japan’s COVID-19 tracing app
Digital contact tracing is becoming increasingly crucial in Japan, where the third wave of COVID-19 infections is overwhelming contact tracers at public health centers and testing their capacity to the limits. Some of these facilities are now marshaling their contact-tracing workforce toward a tiny pool of patients deemed particularly high risk, leaving the vast majority of cases at the mercy of a state-developed tracing app known as the Contact-Confirming Application (COCOA).