The Roles of General Health and COVID-19 Proximity in Contact Tracing App Usage: Cross-sectional Survey Study

Witteveen, D. & de Pedraza, P. (2021). The Roles of General Health and COVID-19 Proximity in Contact Tracing App Usage: Cross-sectional Survey Study. JMIR Public Health Surveillance 2021, 7(8):e27892. DOI: 10.2196/27892