Almost nobody in the US used the Apple & Google COVID-19 apps
Research shows that 2.14% of possible COVID-19 cases were recorded in exposure notification apps across 26 states, leading to questions about how well the system worked.
Only 2% of COVID-19 cases were logged in exposure notification systemOf the 26 states that adopted Apple and Google’s COVID-19 exposure notification system, only 17 provided partial data for research. Even the highest install base, Maryland, saw only 40% of residents install the apps and 9.7% of COVID-19 cases logged.
