Now peer-reviewed in Nature, “The Epidemiological impact of the NHS COVID-19 App”. Here’s a quick rundown of results & what they mean. We estimated that the app prevented several hundred thousand cases from arising. The app works. https://t.co/aR5UpbI5dm 1/n pic.twitter.com/Cs8xsuYDxT

— Christophe Fraser Group (@ChristoPhraser) May 12, 2021