Tweet by npj Digital Medicine on Twitter contact tracing.

npj Digital Medicine ⁦‪@npjDigitalMed‬⁩ For all the controversy over decentralized contact-tracing apps, data show that these privacy-preserving tools saved thousands of lives during the pandemic. National and international authorities must invest in the technology now, reports ⁦‪@Nature‬⁩. nature.com/articles/d4158… 7/4/23, 7:57 AM Joseph Thornton