CoAvoid: Secure, Privacy-Preserved Tracing of Contacts for Infectious Diseases. (arXiv:2201.08133v3 [cs.CR] UPDATED)

To fight against infectious diseases (e.g., SARS, COVID-19, Ebola, etc.),
government agencies, technology companies and health institutes have launched
various contact tracing approaches to identify and notify the people exposed to
infection sources. However, existing tracing approaches can lead to severe
privacy and security concerns, thereby preventing their secure and widespread
use among communities. To tackle these problems, this paper proposes CoAvoid, a
decentralized, privacy-preserved contact tracing system that features good
dependability and usability. CoAvoid leverages the Google/Apple Exposure
Notification …

contacts infectious diseases privacy tracing