How reliable is smartphone-based electronic contact tracing for COVID-19? Page 1 56
COMMUNICATIONS OF THE ACM | JANUARY 2022 | VOL. 65 | NO. 1 contributed articles IMA …

The Coronavirus disease (COVID-19) pandemic has caused social and economic crisis to
the globe. Contact tracing is a proven effective way of containing the spread of COVID-19. In …

Digital contact tracing has emerged as a viable tool supplementing manual contact tracing.
To date, more than 100 contact tracing applications have been published to slow down the …

The currently deployed contact-tracing mobile apps have failed as an efficient solution in the
context of the COVID-19 pandemic. None of them have managed to attract the number of …

To combat the COVID-19 pandemic, many countries around the globe have adopted digital
contact tracing apps. Various technologies exist to trace contacts that are potentially prone to …

Contact-tracing apps have 5 major limitations. First, the effectiveness of a contact-tracing
app is dependent on the degree of adoption: an app's potential to identify contacts varies …

Since the start of the COVID-19 pandemic, technology enthusiasts have pushed for digital
contact tracing as a critical tool for breaking the COVID-19 transmission chains. Motivated by …

While contact tracing is of paramount importance in preventing the spreading of infectious
diseases, manual contact tracing is inefficient and time consuming as those in close contact …

For effectively suppressing COVID-19's spread, contact tracing has been widely used to
identify, isolate, and follow-up with those who have come in close contact with an infected …

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 …