The following is a patent report about identifying Covid from breath samples, as opposed to a cough noise.
https://patents.google.com/patent/WO2021214763A1/en
The tech behind this is from Brainchip. Not sure if anyone cares or are interested, but I found it interesting. Declaration: I do own shares in this company.
Along the lines of RAP....
Currently unlisted. Proposed listing date: 4 SEPTEMBER 2024 #