Trending News A peer-reviewed study finds UK’s NHS contact-tracing app reduced the second wave by roughly 25%, averting ~594,000 out of 1.89M cases from October-December 2020 (BBC) peerreviewed nhs 1.89m octoberdecember The NHS contact-tracing app had a significant impact on lowering the spread of the… byDavidDecember 26, 2022