As the newspaper writes, these devices, called TracieX, have already begun to work in test mode at the National Center for Infectious Diseases and Changi Airport, where arriving passengers are offered to be tested for coronavirus in a new way. 

According to the developers, with each exhalation volatile organic compounds are emitted, which are formed as a result of various biochemical reactions in human cells, and the device is able to record changes in the chemical composition of respiration.

The use of such tests will increase the flow of passengers at airports and at major events due to the fast processing of analyzes and low cost.