A team at MIT looking into using IA to diagnosis Covid by the cough. It aspires to us AI framework was based on existed one for Alzheimer's research.Determined it could pick up four biomarkers relating to vocal cord strength, sentiment, lung and respiratory response, and muscular degradation specific to COVID-19. More a pre-screening tool than testing one if they get it working.
https://ieeexplore.ieee.org/document/9208795
https://ieeexplore.ieee.org/document/9208795