One of the major benefits of QDX Ledger, which is the DLT platform for QDX HEALTHID, is that it is a decentralized form of blockchain, not a centralized version. Generally, in a DLT, the users control their data and that is a big selling point mentioned by QMC CTO Jay Williams.

There is a question whether antibodies confer immunity, and if so, for how long. Until that is proven, one way or the other, we are seeing a rush to get people back to work based on the assumption that immunity is probable based on past experience with various influenzas and vaccines. QDX HealthID fulfills the different immediate needs for patients privacy, data security and health status system.