Here's one study that found the highly flawed, partial, and abandoned contact tracing in the UK nevertheless saved around 10,000 lives. https://www.nature.com/

Here's one study that found the highly flawed, partial, and abandoned contact tracing in the UK nevertheless saved around 10,000 lives. https://www.nature.com/articles/s41467-023-36495-z https://www.nature.com/articles/s41467-023-36495-z