https://www.semanticscholar.org/paper/Tracking-and-Controlling-the-Spread-of-a-Virus-in-a-Demira%C4%9F-Ayday/ded1b304dbf83825056115e67f68d3f7f48339d5 Tracking and Controlling the Spread of a Virus in a Privacy-Preserving Way Didem Demirag, Erman Ayday Published in ArXiv 2020 Computer Science Today, tracking and controlling the spread of a virus is a crucial need for almost all countries. Doing this early would save millions of lives and help countries keep a stable economy. The easiest way to control the spread of a virus is to immediately inform the individuals who recently had close contact with the diagnosed patients. However, to achieve this, a centralized authority (e.g., a health authority) needs detailed location information from both healthy individuals and diagnosed patients. Thus, such an approach, although beneficial to control the spread of a virus, results in serious privacy concerns, and hence privacy-preserving solutions are required to solve this problem. Previous works on this topic either ...